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HCPCS G2001 · Level II · G code

G2001: Post d/c h vst new pt 20 m, HCPCS Level II G code

Compiled from CMS files by the QuickIntell RCM Editorial Team · Data effective · Method: reference methodology · Report a data correction

Data currency: HCPCS Level II file: October 2026 (effective October 1, 2026); PFS relative value file: RVU26D, released August 26, 2026 (effective October 1, 2026); NCCI MUE tables: 2026 Q4 (effective October 1, 2026); NCCI PTP edits: v323r0 (2026 Q4) (effective October 1, 2026); OPPS Addendum B: October 2026 (effective October 1, 2026). Next CMS release: January 1, 2027 (quarterly update) for the HCPCS Level II file and NCCI MUE tables and NCCI PTP edits and OPPS Addendum B; RVU27A with the CY2027 PFS final rule, effective January 1, 2027 for the PFS relative value file.

Key facts for G2001

Medicare payment
$49.43
PFS non-facility, national
Coverage code
C
carrier judgment, so the Medicare contractor decides coverage
Practitioner MUE
1
MAI 3
OPPS status
SI B
Non-allowed item or service for OPPS
NCCI PTP pairs
12
12 hospital outpatient
LCDs and articles
0 / 0

TL;DR

CMS describes HCPCS G2001, added in 2019, as "Brief (20 minutes) in-home visit for a new patient post-discharge. for use only in a medicare-approved cmmi model. (services must be furnished within a beneficiary's home, domiciliary, rest home, assisted living and/or nursing facility within 90 days following discharge from an inpatient facility and no more than 9 times.)". Medicare's October 2026 physician fee schedule pays G2001 $49.43 non-facility and no facility amount facility nationally, from 1.01 work, 0.43 practice-expense and 0.04 malpractice RVUs at the $33.4009 conversion factor. Qualifying APM participants get $49.68 at $33.5675. MUE limits for G2001: practitioner 1 (MAI 3, Nature of Service/Procedure); hospital outpatient 1 (MAI 3, Nature of Service/Procedure). In the NCCI PTP files v323r0 G2001 appears in 0 practitioner pairs as column 2 and 12 as column 1, and in 0 hospital outpatient pairs as column 2 and 12 as column 1. No current LCD or billing article lists G2001; its HCPCS coverage code is C (carrier judgment, so the Medicare contractor decides coverage). OPPS status indicator B: Non-allowed item or service for OPPS. HCPCS record: BETOS M4A (home visit); pricing indicator 13; type of service 1 (medical care). 3 other active codes open with "Brief"; related codes: G2006, G0081, G0076, G2000.

G2001 descriptor and code status

The October 2026 HCPCS Level II file describes G2001 as “Brief (20 minutes) in-home visit for a new patient post-discharge. for use only in a medicare-approved cmmi model. (services must be furnished within a beneficiary's home, domiciliary, rest home, assisted living and/or nursing facility within 90 days following discharge from an inpatient facility and no more than 9 times.)”. It sits in the G section (procedures and professional services, temporary), listed with the other G codes.

HCPCS file attributes of G2001
FieldValue
Short descriptorPost d/c h vst new pt 20 m
Added to HCPCS2019-01-01
Last actionN (no maintenance), effective 2019-01-01
Coverage codeC: carrier judgment, so the Medicare contractor decides coverage
Pricing indicator13: physician fee schedule, priced by the contractor
BETOS categoryM4A: home visit
Type of service1: medical care

Medicare payment for G2001

Medicare's October 2026 physician fee schedule pays G2001 $49.43 non-facility and no facility amount facility nationally, from 1.01 work, 0.43 practice-expense and 0.04 malpractice RVUs at the $33.4009 conversion factor. Qualifying APM participants get $49.68 at $33.5675. The amounts below are national figures from the October 2026 CMS files; the contractor applies the locality, rural or state adjustment and the beneficiary's cost sharing.

Physician fee schedule (RVU26D)

Status A: active: paid separately under the physician fee schedule when covered. Global period XXX (global surgery concept does not apply); PC/TC indicator 0 (physician service; the professional/technical split does not apply).

PFS relative values and national payment for G2001
ComponentNon-facilityFacility
Work RVU1.011.01
Practice expense RVU0.43NA
Malpractice RVU0.040.04
Total RVUs1.48NA
National payment (CF $33.4009)$49.43n/a
Qualifying APM participant (CF $33.5675)$49.68n/a
  • Multiple procedures (modifier 51): no multiple-procedure reduction
  • Bilateral (modifier 50): 150% bilateral adjustment does not apply
  • Assistant at surgery: assistant at surgery paid only with documentation; co-surgeons: co-surgeons not permitted; team surgery: team surgeons not permitted
  • Physician supervision of diagnostic procedures: supervision concept does not apply

Hospital outpatient (OPPS Addendum B)

Status indicator B (Non-allowed item or service for OPPS), with no separate OPPS payment rate.

Medically Unlikely Edits for G2001

MUE limits for G2001: practitioner 1 (MAI 3, Nature of Service/Procedure); hospital outpatient 1 (MAI 3, Nature of Service/Procedure). The practitioner MUE is a date-of-service clinical edit: units above the limit deny but can be paid on appeal with documentation.

MUE values for G2001 by setting
SettingMUE (units/DOS)MAICMS rationale
Practitioner services13 Date of Service Edit: ClinicalNature of Service/Procedure
Facility outpatient hospital13 Date of Service Edit: ClinicalNature of Service/Procedure

The MUE lookup for G2001 shows every setting next to any other code on the same claim.

NCCI edits and add-on rules

In the practitioner PTP file v323r0, G2001 is the column-2 (bundled) code in 0 active pairs and the column-1 code in 12 (0% modifier-allowed); 0 earlier pairs have been deleted.

Column-2 codes bundled into G2001 (practitioner)
Column-2 codePairs
G0076 Care manag h vst new pt 20 m1
G0077 Care manag h vst new pt 30 m1
G0078 Care manag h vst new pt 45 m1
G0079 Care manag h vst new pt 60 m1
G0080 Care manag h vst new pt 75 m1
G0081 Care man h v ext pt 20 mi1
G0082 Care man h v ext pt 30 m1
G0083 Care man h v ext pt 45 m1

In the hospital outpatient PTP file v323r0, G2001 is the column-2 (bundled) code in 0 active pairs and the column-1 code in 12 (0% modifier-allowed); 0 earlier pairs have been deleted.

Column-2 codes bundled into G2001 (hospital outpatient)
Column-2 codePairs
G0076 Care manag h vst new pt 20 m1
G0077 Care manag h vst new pt 30 m1
G0078 Care manag h vst new pt 45 m1
G0079 Care manag h vst new pt 60 m1
G0080 Care manag h vst new pt 75 m1
G0081 Care man h v ext pt 20 mi1
G0082 Care man h v ext pt 30 m1
G0083 Care man h v ext pt 45 m1

G2001 is neither an add-on code nor a designated primary code in the 2026 Q4 NCCI add-on edit file.

Pair counts show exposure, not the answer for one claim. Check G2001 against a second code to see whether the pair bundles and whether a modifier can separate the services.

Medicare coverage policies for G2001

No current LCD or billing and coding article lists G2001. The HCPCS coverage code C means carrier judgment, so the Medicare contractor decides coverage, and any National Coverage Determination for the service still applies.

Denials to expect on G2001

CARC 50 · N115

the service is not reasonable and necessary for the diagnosis on the claim

CARC 151 · N362

units of G2001 exceed the practitioner MUE of 1 per date of service

CARC 4

the modifier reported is inconsistent with the code

CARC 16

the claim lacks the description, invoice or pricing detail a contractor-priced code needs

Where QuickIntell fits for G2001 claims

QuickCode supports qualified coder review of units, modifiers and NCCI pairs for G2001 before the claim leaves, and QuickRCM carries claim readiness and the denial follow-up when an edit or coverage policy is missed.

See QuickCode for coder reviewSee QuickRCM for denial follow-upBook a meeting

Frequently asked questions: HCPCS G2001

What does HCPCS code G2001 describe?

"Brief (20 minutes) in-home visit for a new patient post-discharge. for use only in a medicare-approved cmmi model. (services must be furnished within a beneficiary's home, domiciliary, rest home, assisted living and/or nursing facility within 90 days following discharge from an inpatient facility and no more than 9 times.)" (short descriptor "Post d/c h vst new pt 20 m"), in the G section (procedures and professional services, temporary). Added 2019-01-01.

Is G2001 a CPT code?

No: CMS maintains G2001 in HCPCS Level II, while the AMA maintains CPT. It goes in the same procedure-code field.

What does Medicare pay for G2001?

Medicare's October 2026 physician fee schedule pays G2001 $49.43 non-facility and no facility amount facility nationally, from 1.01 work, 0.43 practice-expense and 0.04 malpractice RVUs at the $33.4009 conversion factor. Qualifying APM participants get $49.68 at $33.5675.

How many units of G2001 can be billed per day?

MUE limits for G2001: practitioner 1 (MAI 3, Nature of Service/Procedure); hospital outpatient 1 (MAI 3, Nature of Service/Procedure). For the practitioner MUE (MAI 3), units above 1 deny for the day but can be paid on appeal with documentation; denials arrive as CARC 151.

Does Medicare cover G2001?

No current LCD or billing article lists G2001; its HCPCS coverage code is C (carrier judgment, so the Medicare contractor decides coverage).

Sources

Every figure on this page is taken from the CMS publications below, as released by the Centers for Medicare & Medicaid Services. Projection built 2026-10-10. Verify against the primary file before billing or contracting decisions. The reference methodology explains how each figure is computed from these files.

Disclaimer

This page is an operational reference compiled from CMS publications: the HCPCS Level II file, the physician, DMEPOS and clinical laboratory fee schedules, OPPS and ASC addenda, NCCI MUE, PTP and add-on edit tables and the Medicare Coverage Database. Amounts are Medicare national figures before locality and state adjustment; Medicaid and commercial payers set their own. CPT codes are shown as numbers only; CPT descriptors are copyright AMA. Nothing here is legal, clinical or billing advice.

Found a figure that does not match the CMS file? Report a data correction with the CMS file and the value you expected; the request reaches the editorial team through the contact form.