OB-GYN CPT Codes: Pregnancy, Delivery & GYN Procedure Refere...

OB-GYN coding is unlike any other specialty because it operates under two fundamentally different billing models simultaneously. Obstetric care uses a global package model where a single CPT code bundles all antepartum visits, delivery, and postpartum care into one fee. Gynecologic care uses a traditional fee-for-service model where each procedure, evaluation, and test is billed individually. The transition point between these models — and the exceptions that allow billing outside the obstetric global package — is where most OB-GYN coding errors occur.

A typical OB-GYN practice generates $800,000-$1.5 million per physician annually, with obstetric services accounting for 40-60% of revenue. The global OB package for a vaginal delivery (59400) reimburses $2,500-$4,000 from commercial payers. The difference between correctly and incorrectly coding the package — capturing high-risk antepartum management, properly splitting care when patients transfer, and billing complications outside the global package — can swing revenue by $200,000-$500,000 per provider per year.

This guide covers the complete CPT code landscape for OB-GYN — global obstetric packages, antepartum and postpartum coding, delivery codes, obstetric ultrasound, gynecologic procedures, contraception, infertility coding, and the modifier logic that determines whether OB-GYN claims are paid or denied.

Global Obstetric Package Codes

The global obstetric package is the foundation of OB coding. Each global code bundles three phases of care into a single fee: antepartum care (all routine prenatal visits), delivery (including admission to the hospital, labor management, and the delivery itself), and postpartum care (hospital visits and the postpartum office visit).

Global OB Package Codes

CPT Code	Description	What It Includes	Typical Commercial Reimbursement	Typical Medicare Reimbursement
59400	Routine obstetric care including antepartum care, vaginal delivery (with or without episiotomy, and/or forceps) and postpartum care	Antepartum (13+ visits) + vaginal delivery + postpartum	$3,000-$4,200	$2,200-$2,800
59510	Routine obstetric care including antepartum care, cesarean delivery, and postpartum care	Antepartum (13+ visits) + cesarean delivery + postpartum	$3,500-$5,000	$2,600-$3,300
59610	Routine obstetric care including antepartum care, vaginal delivery (VBAC), and postpartum care	Antepartum + vaginal delivery after previous cesarean + postpartum	$3,200-$4,500	$2,400-$3,000
59618	Routine obstetric care including antepartum care, cesarean delivery after attempted VBAC, and postpartum care	Antepartum + cesarean after failed VBAC trial + postpartum	$3,800-$5,300	$2,800-$3,500

What is included in the global OB package:

All routine antepartum office visits (initial and subsequent histories, physical examinations, recording of weight, blood pressure, fetal heart tones, routine chemical urinalysis)
Admission to the hospital
Management of uncomplicated labor
Vaginal or cesarean delivery (including any episiotomy or routine repair)
Hospital visits after delivery
The postpartum office visit (typically at 4-6 weeks)

What is NOT included (separately billable):

Initial new OB visit with confirmation of pregnancy (billed as E/M)
High-risk antepartum management visits (separate E/M with modifier -25 when separately identifiable)
Diagnostic ultrasounds
Non-stress tests (NSTs) and biophysical profiles (BPPs)
Laboratory and diagnostic testing
Procedures unrelated to the pregnancy
Complications requiring separate surgical intervention
Hospital admissions for complications unrelated to delivery

Antepartum Care Codes

When a physician does not provide the complete global OB package (e.g., the patient transfers care, the physician provides only a portion of antepartum care, or the delivery is handled by a different provider), antepartum care is billed separately using visit-count-based codes.

CPT Code	Description	Typical Commercial Reimbursement	Typical Medicare Reimbursement
59425	Antepartum care only; 4-6 visits	$600-$950	$450-$600
59426	Antepartum care only; 7 or more visits	$1,200-$1,900	$900-$1,200

Per-visit antepartum billing (fewer than 4 visits): When a physician provides 1-3 antepartum visits before the patient transfers care, bill each visit individually using the appropriate E/M code (99202-99215). The per-visit E/M approach is also used when the patient transfers in and has already received some antepartum care from a prior provider.

Antepartum visit counting rules:

Count each face-to-face antepartum visit
Do not count phone calls, medication refills, or lab reviews without a face-to-face encounter
The initial OB visit (confirmation of pregnancy, dating, initial labs) counts as a visit
When two providers in the same practice share care, combine their visit counts

High-Risk Antepartum Management

High-risk OB visits that address complications beyond routine antepartum care can be billed as separate E/M services in addition to (not instead of) the global OB package. These require modifier -25 and documentation of a separately identifiable condition.

Conditions supporting separate E/M billing during the global OB period:

Gestational diabetes requiring insulin management
Preeclampsia/gestational hypertension requiring medication adjustment
Preterm labor requiring tocolytic management
Placenta previa or accreta with management decisions
Multiple gestation with growth discordance
Fetal anomalies requiring counseling and management planning
Maternal cardiac, pulmonary, or autoimmune conditions complicating pregnancy

Documentation requirement: The medical record must clearly distinguish the routine antepartum care (included in the global package) from the high-risk management (separately billable). A separate note section or problem list entry documenting the complication, the evaluation performed, and the management decisions is essential.

Delivery Only Codes

When a physician performs only the delivery (not the antepartum or postpartum care), delivery-only codes are used.

CPT Code	Description	Typical Commercial Reimbursement	Typical Medicare Reimbursement
59409	Vaginal delivery only (with or without episiotomy and/or forceps)	$1,500-$2,200	$1,100-$1,500
59514	Cesarean delivery only	$1,800-$2,600	$1,400-$1,800
59612	Vaginal delivery only, after previous cesarean delivery (VBAC)	$1,700-$2,400	$1,200-$1,600
59620	Cesarean delivery only, following attempted vaginal delivery after previous cesarean delivery	$2,000-$2,800	$1,500-$2,000

When to use delivery-only codes:

On-call physician delivers a patient whose antepartum care was provided by another physician or group
Patient transferred in from another practice for delivery
The delivering physician will not provide postpartum care

Postpartum Care Code

CPT Code	Description	Typical Commercial Reimbursement	Typical Medicare Reimbursement
59430	Postpartum care only (separate procedure)	$250-$400	$180-$260

Postpartum care (59430) includes the hospital visits after delivery and the postpartum office visit. It is used when a physician provides only postpartum care after another physician performed the delivery.

Obstetric Ultrasound Codes

Obstetric ultrasounds are separately billable from the global OB package.

CPT Code	Description	Typical Reimbursement
76801	Ultrasound, pregnant uterus, real time with image documentation, fetal and maternal evaluation, first trimester (< 14 weeks 0 days), transabdominal approach; single or first gestation	$150-$230
76802	Ultrasound, pregnant uterus, first trimester; each additional gestation (add-on)	$70-$110
76805	Ultrasound, pregnant uterus, real time with image documentation, fetal and maternal evaluation, after first trimester (>= 14 weeks 0 days), transabdominal approach; single or first gestation	$180-$280
76810	Ultrasound, pregnant uterus, after first trimester; each additional gestation (add-on)	$80-$125
76811	Ultrasound, pregnant uterus, fetal and maternal evaluation plus detailed fetal anatomic examination, transabdominal approach; single or first gestation	$250-$380
76812	Ultrasound, detailed fetal anatomic examination, each additional gestation (add-on)	$120-$185
76813	Ultrasound, pregnant uterus, first trimester, nuchal translucency measurement; single gestation	$130-$200
76814	Ultrasound, nuchal translucency, each additional gestation (add-on)	$60-$95
76815	Ultrasound, pregnant uterus, limited (e.g., fetal heartbeat, placental location, fetal position, qualitative amniotic fluid volume), 1 or more fetuses	$80-$125
76816	Ultrasound, pregnant uterus, follow-up (re-evaluation, e.g., re-evaluation of fetal size, amniotic fluid volume), transabdominal approach, per fetus	$100-$155
76817	Ultrasound, pregnant uterus, transvaginal	$120-$185
76818	Fetal biophysical profile; with non-stress testing (BPP with NST)	$130-$200
76819	Fetal biophysical profile; without non-stress testing (BPP without NST)	$100-$155
76820	Doppler velocimetry, fetal; umbilical artery	$80-$125
76821	Doppler velocimetry, fetal; middle cerebral artery	$80-$125
76825	Echocardiography, fetal, cardiovascular system, real time with image documentation; complete	$250-$380
76826	Echocardiography, fetal; follow-up or repeat study	$150-$230
76828	Doppler echocardiography, fetal, pulsed wave and/or continuous wave with spectral display; complete	$150-$230

Ultrasound coding tips:

First trimester vs. standard anatomy: 76801 (first trimester) is for pregnancies less than 14 weeks. 76805 (standard) is for pregnancies at or after 14 weeks. 76811 (detailed anatomy) includes a comprehensive anatomic survey — this is the "anatomy scan" performed at 18-22 weeks.
Limited vs. complete: 76815 (limited) is used for focused assessments (fetal heartbeat confirmation, amniotic fluid check, fetal position). It should not be used for routine scheduled ultrasounds.
Follow-up: 76816 is for follow-up assessments of previously documented findings (growth checks, fluid reassessment). It requires documentation of a prior complete study.
Multiple gestations: Add-on codes (76802, 76810, 76812, 76814) are reported for each additional fetus. For twins: report the base code + 1 unit of the add-on. For triplets: base code + 2 units of the add-on.

Non-Stress Testing

CPT Code	Description	Typical Reimbursement
59025	Fetal non-stress test (NST)	$80-$125
59020	Fetal contraction stress test	$100-$155

NSTs are separately billable from the global OB package and from BPP codes. When a BPP with NST (76818) is performed, the NST component is included — do not separately bill 59025.

Gynecologic Procedure Codes

Colposcopy

CPT Code	Description	Typical Reimbursement
57420	Colposcopy of the entire vagina, with cervix if present	$180-$280
57421	Colposcopy of the entire vagina, with cervix if present; with biopsy(s) of vagina/cervix	$220-$340
57452	Colposcopy of the cervix including upper/adjacent vagina	$150-$230
57454	Colposcopy of the cervix; with biopsy(s) of the cervix and endocervical curettage	$250-$390
57455	Colposcopy of the cervix; with biopsy(s) of the cervix	$200-$310
57456	Colposcopy of the cervix; with endocervical curettage	$200-$310
57460	Colposcopy of the cervix; with loop electrode biopsy(s) of the cervix	$300-$470
57461	Colposcopy of the cervix; with loop electrode conization of the cervix	$400-$620

Colposcopy coding rules:

The colposcopy exam itself is included in the biopsy/procedure code. Do not separately bill the diagnostic colposcopy (57452) when a biopsy is performed — use the combined code (57454, 57455, 57456).
LEEP biopsy (57460) is a biopsy using the loop electrode. LEEP conization (57461) is a cone-shaped excision of the transformation zone. The cone excision is more extensive and reimburses higher.
E/M on the same day as colposcopy requires modifier -25 and a separately identifiable service beyond the decision to perform the colposcopy.

Endometrial Biopsy and D&C

CPT Code	Description	Typical Reimbursement
58100	Endometrial sampling (biopsy) with or without endocervical sampling, without cervical dilation	$140-$220
58120	Dilation and curettage, diagnostic and/or therapeutic (nonobstetrical)	$400-$620
59812	Treatment of incomplete abortion, any trimester, completed surgically	$500-$780
59820	Treatment of missed abortion, first trimester, completed surgically	$500-$780
59821	Treatment of missed abortion, second trimester, completed surgically	$650-$1,000

Hysteroscopy

CPT Code	Description	Typical Reimbursement
58555	Hysteroscopy, diagnostic (separate procedure)	$300-$470
58558	Hysteroscopy, surgical; with sampling (biopsy) of endometrium and/or polypectomy	$500-$780
58559	Hysteroscopy, surgical; with lysis of intrauterine adhesions (any method)	$600-$930
58560	Hysteroscopy, surgical; with division or resection of intrauterine septum (any method)	$650-$1,000
58561	Hysteroscopy, surgical; with removal of leiomyomata (myomectomy)	$800-$1,250
58562	Hysteroscopy, surgical; with removal of impacted foreign body	$450-$700
58563	Hysteroscopy, surgical; with endometrial ablation (e.g., thermal, rollerball)	$750-$1,170

Hysteroscopy coding rules: The diagnostic hysteroscopy (58555) is bundled into all surgical hysteroscopy codes. When a surgical hysteroscopy is performed, do not separately bill 58555. If multiple surgical hysteroscopic procedures are performed during the same session (e.g., polypectomy + adhesiolysis), report each surgical code with modifier -51 on the secondary procedure. Check NCCI edits for specific bundling pairs.

Hysterectomy

CPT Code	Description	Approach	Typical Reimbursement
58150	Total abdominal hysterectomy (corpus and cervix), with or without removal of tube(s), with or without removal of ovary(s)	Open abdominal	$1,200-$1,850
58152	Total abdominal hysterectomy, with colpo-urethrocystopexy	Open abdominal	$1,500-$2,300
58180	Supracervical abdominal hysterectomy, with or without removal of tube(s), with or without removal of ovary(s)	Open abdominal	$1,100-$1,700
58200	Total abdominal hysterectomy including partial vaginectomy, with para-aortic and pelvic lymph node sampling	Open abdominal	$1,800-$2,800
58260	Vaginal hysterectomy, for uterus 250 g or less	Vaginal	$1,100-$1,700
58262	Vaginal hysterectomy, for uterus 250 g or less; with removal of tube(s) and/or ovary(s)	Vaginal	$1,200-$1,850
58267	Vaginal hysterectomy, for uterus 250 g or less; with colpo-urethrocystopexy	Vaginal	$1,400-$2,150
58270	Vaginal hysterectomy, for uterus 250 g or less; with repair of enterocele	Vaginal	$1,300-$2,000
58290	Vaginal hysterectomy, for uterus greater than 250 g	Vaginal	$1,300-$2,000
58291	Vaginal hysterectomy, for uterus greater than 250 g; with removal of tube(s) and/or ovary(s)	Vaginal	$1,400-$2,150
58541	Laparoscopic supracervical hysterectomy, for uterus 250 g or less	Laparoscopic	$1,200-$1,850
58542	Laparoscopic supracervical hysterectomy, for uterus 250 g or less; with removal of tube(s) and/or ovary(s)	Laparoscopic	$1,300-$2,000
58543	Laparoscopic supracervical hysterectomy, for uterus greater than 250 g	Laparoscopic	$1,400-$2,150
58544	Laparoscopic supracervical hysterectomy, for uterus greater than 250 g; with removal of tube(s) and/or ovary(s)	Laparoscopic	$1,500-$2,300
58570	Laparoscopic total hysterectomy, for uterus 250 g or less	Laparoscopic	$1,300-$2,000
58571	Laparoscopic total hysterectomy, for uterus 250 g or less; with removal of tube(s) and/or ovary(s)	Laparoscopic	$1,400-$2,150
58572	Laparoscopic total hysterectomy, for uterus greater than 250 g	Laparoscopic	$1,500-$2,300
58573	Laparoscopic total hysterectomy, for uterus greater than 250 g; with removal of tube(s) and/or ovary(s)	Laparoscopic	$1,600-$2,500

Hysterectomy coding distinctions:

Uterine weight: Laparoscopic and vaginal hysterectomy codes are stratified by uterine weight (250 g threshold). The operative note must document the specimen weight.
Total vs. supracervical: Total hysterectomy removes the uterus and cervix. Supracervical removes only the uterine body, preserving the cervix. The codes are distinct.
Robotic-assisted: Robotic-assisted laparoscopic hysterectomy is coded using the same laparoscopic CPT codes (58541-58573). There are no separate "robotic" CPT codes. Some payers may require modifier -22 for robotic assistance, but this is payer-specific.
Concurrent procedures: Bilateral salpingo-oophorectomy (BSO) performed with hysterectomy uses the combined hysterectomy code that includes tube/ovary removal. Reporting 58661 (laparoscopic BSO) in addition to 58571 (laparoscopic total hysterectomy with tube/ovary removal) is unbundling.

Contraception Codes

CPT Code	Description	Typical Reimbursement
58300	Insertion of intrauterine device (IUD)	$120-$190
58301	Removal of intrauterine device (IUD)	$100-$160
11981	Insertion, non-biodegradable drug delivery implant (e.g., Nexplanon)	$110-$170
11982	Removal, non-biodegradable drug delivery implant	$100-$160
11983	Removal with reinsertion, non-biodegradable drug delivery implant	$180-$280
96372	Injection, subcutaneous or intramuscular (e.g., Depo-Provera administration)	$25-$40

Contraception coding tips:

Device supply codes: Bill the device supply code (J7297/J7298 for Liletta/Mirena IUD, J7307 for Nexplanon) in addition to the insertion CPT code. The CPT code covers the procedure; the J-code covers the device.
E/M with insertion: An E/M service on the same day as IUD or Nexplanon insertion requires modifier -25. The E/M must document a separately identifiable service — not just the counseling and consent for the insertion, which is included in the procedure code.
ACA coverage: Under the Affordable Care Act, contraceptive devices and insertion are covered at 100% (no cost-sharing) for most commercial plans when billed with appropriate diagnosis codes and preventive modifiers.

Infertility Codes

CPT Code	Description	Typical Reimbursement
58660	Laparoscopy, surgical; with lysis of adhesions	$800-$1,250
58661	Laparoscopy, surgical; with removal of adnexal structures (partial or total oophorectomy and/or salpingectomy)	$900-$1,400
58662	Laparoscopy, surgical; with fulguration or excision of lesions of the ovary, pelvic viscera, or peritoneal surface by any method (endometriosis)	$900-$1,400
58670	Laparoscopy, surgical; with fulguration of oviducts (with or without transection)	$700-$1,080
58671	Laparoscopy, surgical; with occlusion of oviducts by device (e.g., band, clip, or Falope ring)	$700-$1,080
58672	Laparoscopy, surgical; with fimbrioplasty	$900-$1,400
58673	Laparoscopy, surgical; with salpingostomy (salpingoneostomy)	$1,000-$1,550
58970	Follicle puncture for oocyte retrieval, any method	$800-$1,250
58974	Embryo transfer, intrauterine	$500-$780
58976	Gamete, zygote, or embryo intrafallopian transfer, any method	$800-$1,250
89250	Culture of oocyte(s)/embryo(s), less than 4 days	$500-$780
89251	Culture of oocyte(s)/embryo(s), 4 days or more	$600-$930
89253	Assisted embryo hatching	$300-$470
89254	Oocyte identification from follicular fluid	$200-$310
89258	Cryopreservation; embryo(s)	$400-$620
89264	Sperm identification from aspiration (other than seminal fluid)	$200-$310
89268	Insemination of oocytes (IVF)	$400-$620

Infertility coding considerations:

Many payers do not cover infertility services. Verify benefits before billing.
State mandates vary significantly — some states require infertility coverage, others do not.
ART (assisted reproductive technology) procedures typically require prior authorization.
Lab procedures (89250-89268) are billed by the embryology laboratory, not the performing physician.

Modifier Usage in OB-GYN

Modifier	OB-GYN Application
-22	Complex delivery requiring substantially more work than typical. Document the specific complexity: extensive adhesiolysis during cesarean, morbid obesity requiring extended operative time, massive hemorrhage requiring additional surgical intervention.
-25	Separately identifiable E/M on the same day as a minor procedure. Common in OB-GYN: E/M for high-risk pregnancy management on the same day as a routine antepartum visit (global OB), E/M on the same day as IUD insertion or colposcopy.
-51	Multiple procedures performed in the same session. E.g., hysteroscopic polypectomy (58558) + endometrial ablation (58563) — apply -51 to the secondary procedure.
-52	Reduced services. Used when a planned procedure is partially completed (e.g., planned bilateral salpingectomy but only unilateral performed due to adhesions).
-57	Decision for surgery. E/M encounter on the day of or day before a major surgical procedure (90-day global) during which the decision for surgery was made. Commonly used for emergent cesarean sections when the E/M on admission documents the decision to proceed with surgery.
-58	Staged procedure during the postoperative period. E.g., planned second-look laparoscopy within 90 days of initial surgery.
-59	Distinct procedural service. Overrides NCCI bundling edits when two procedures are performed on separate anatomical sites or are truly distinct.
-78	Return to operating room for a related complication. E.g., return to OR for postpartum hemorrhage requiring surgical intervention after vaginal delivery.
-79	Unrelated procedure during the postoperative period. E.g., appendectomy during the 90-day global period following a cesarean delivery.
-80	Assistant surgeon. Common in complex cesarean deliveries, hysterectomies, and oncologic procedures.

Global OB Package Exceptions: How to Bill Outside the Package

Understanding what falls outside the global OB package is critical for capturing all legitimate revenue.

Separately Billable Services During the Antepartum Period

High-risk management visits: When a separately identifiable E/M is performed to manage a pregnancy complication (gestational diabetes, preeclampsia, preterm labor), bill the E/M code with modifier -25. Document the complication, the evaluation, and the management separately from the routine antepartum care note.
All diagnostic tests: Ultrasounds, NSTs, BPPs, amniocentesis (59000), chorionic villus sampling (59015), cervical cerclage (59320-59325), and all laboratory testing are separately billable.
Procedures: Any procedure performed during the antepartum period — cervical cerclage, external cephalic version (59412), amniocentesis — is billed independently of the global OB package.

Separately Billable Services at Delivery

Complications at delivery: Surgical repair of extensive lacerations (3rd/4th degree, 59300), postpartum hemorrhage requiring surgical intervention, and manual removal of placenta may be separately billable depending on the complexity and documentation.
Concurrent surgical procedures: Bilateral tubal ligation at the time of cesarean delivery (58611, add-on code) is separately billable.
Prolonged attendance: When the physician provides prolonged attendance at delivery beyond the typical time, prolonged services codes may be applicable (though this is payer-specific and documentation-intensive).

Split Care and Transferred Patients

When a patient transfers care during pregnancy, the global package is split among the providers:

Fewer than 4 visits by transferring provider: Bill individual E/M codes per visit
4-6 visits by transferring provider: Bill 59425
7+ visits by transferring provider: Bill 59426
Delivery-only by receiving provider: Bill delivery-only code (59409, 59514, etc.)
Postpartum-only by receiving provider: Bill 59430

Common OB-GYN Coding Errors

Error 1: Failing to Bill High-Risk Antepartum Management Separately

The problem: Treating gestational diabetes, preeclampsia, or preterm labor during routine antepartum visits without separately billing the high-risk management E/M.

The fix: Document the complication management in a distinct portion of the visit note, bill the appropriate E/M code with modifier -25, and link it to the complication ICD-10 code (O24.4 for gestational diabetes, O14.x for preeclampsia).

Error 2: Using the Wrong Global Code for Delivery Type

The problem: Billing 59510 (cesarean global) when a trial of labor was attempted before converting to cesarean, instead of 59618 (cesarean after attempted VBAC) or vice versa.

The fix: Match the global code to the actual clinical scenario. If the patient had a prior cesarean and a trial of labor was attempted before proceeding to cesarean, the correct code is 59618.

Error 3: Omitting Add-On Codes During Cesarean Delivery

The problem: Performing bilateral tubal ligation at the time of cesarean delivery but failing to bill 58611 (ligation of oviducts at the time of cesarean delivery, add-on).

The fix: Document the bilateral tubal ligation separately in the operative note and bill 58611 in addition to the cesarean delivery code.

Error 4: Unbundling Hysterectomy with BSO

The problem: Billing a laparoscopic BSO (58661) in addition to a laparoscopic total hysterectomy with removal of tubes/ovaries (58571). The BSO is included in 58571.

The fix: Select the hysterectomy code that includes the concurrent salpingo-oophorectomy. Do not separately bill the BSO.

How QuickIntell Automates OB-GYN Coding

QuickIntell's QuickCode engine handles the dual-model complexity of OB-GYN coding:

Global OB package management: Automatically tracks antepartum visit counts, identifies the correct global code based on delivery type, and flags services that fall outside the package for separate billing.
High-risk management capture: Identifies documented pregnancy complications and flags encounters where a separate E/M is supportable, recovering $50-$150 per high-risk visit that manual coding frequently misses.
Split care calculation: When patients transfer between providers, automatically determines the correct antepartum care code (59425 vs. 59426 vs. per-visit E/M) based on visit count.
Hysterectomy code selection: Matches surgical approach, uterine weight, and concurrent procedures to the correct code, preventing unbundling errors and missed component billing.
Modifier compliance: Applies modifiers -25, -57, -22, and -59 based on documentation, procedure combinations, and payer rules, ensuring claims are submitted correctly the first time.

For OB-GYN practices managing 200+ deliveries per year, QuickIntell's coding automation recovers 3-6% in previously lost revenue while reducing coding-related denials by 30-50%.

Looking for more on OB-GYN revenue cycle management?

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OB-GYN CPT Codes: Pregnancy, Delivery & GYN Procedure Reference