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HCPCS G0508 · Level II · G code

G0508: Telehealth consultation, critical care, initial, 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 G0508

Medicare payment
$184.71
PFS facility, national
Coverage code
C
carrier judgment, so the Medicare contractor decides coverage
Practitioner MUE
1
MAI 2
OPPS status
SI B
Non-allowed item or service for OPPS
NCCI PTP pairs
513
25 hospital outpatient
LCDs and articles
0 / 0
on the Medicare telehealth list

TL;DR

CMS describes HCPCS G0508, added in 2017, as "Telehealth consultation, critical care, initial , physicians typically spend 60 minutes communicating with the patient and providers via telehealth". National PFS payment for G0508 is no non-facility amount in an office and $184.71 in a facility (October 2026), built from 4.00 work, 1.17 practice-expense and 0.36 malpractice RVUs at $33.4009 per RVU. Qualifying APM participants get $185.63 at $33.5675. CMS caps G0508 at practitioner 1 (MAI 2, Code Descriptor / CPT Instruction); hospital outpatient 1 (MAI 2, Code Descriptor / CPT Instruction) units per day in the 2026 Q4 MUE tables. In the NCCI PTP files v323r0 G0508 appears in 418 practitioner pairs as column 2 and 95 as column 1 (most often with 00100, 00102, 00103), and in 4 hospital outpatient pairs as column 2 and 21 as column 1. No current LCD or billing article lists G0508; its HCPCS coverage code is C (carrier judgment, so the Medicare contractor decides coverage). It is on the CY2026 Medicare telehealth list (CMS action: Maintain). OPPS status indicator B: Non-allowed item or service for OPPS. HCPCS record: BETOS M5D (specialist - other); pricing indicator 13; type of service 1 (medical care). 4 other active codes open with "Telehealth consultation"; related codes: G0427, G0426, G0425, G0509.

G0508 descriptor and code status

The October 2026 HCPCS Level II file describes G0508 as “Telehealth consultation, critical care, initial , physicians typically spend 60 minutes communicating with the patient and providers via telehealth”. It sits in the G section (procedures and professional services, temporary), listed with the other G codes. Although searches often call it the "G0508 CPT code", G0508 is a HCPCS Level II code maintained by CMS, not an AMA CPT code; both go in the same procedure-code field on the claim.

HCPCS file attributes of G0508
FieldValue
Short descriptorCrit care telehea consult 60
Added to HCPCS2017-01-01
Last actionN (no maintenance), effective 2017-01-01
Coverage codeC: carrier judgment, so the Medicare contractor decides coverage
Pricing indicator13: physician fee schedule, priced by the contractor
BETOS categoryM5D: specialist - other
Type of service1: medical care

Medicare payment for G0508

National PFS payment for G0508 is no non-facility amount in an office and $184.71 in a facility (October 2026), built from 4.00 work, 1.17 practice-expense and 0.36 malpractice RVUs at $33.4009 per RVU. Qualifying APM participants get $185.63 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 G0508
ComponentNon-facilityFacility
Work RVU4.004.00
Practice expense RVUNA1.17
Malpractice RVU0.360.36
Total RVUsNA5.53
National payment (CF $33.4009)n/a$184.71
Qualifying APM participant (CF $33.5675)n/a$185.63
  • Multiple procedures (modifier 51): no multiple-procedure reduction
  • Bilateral (modifier 50): 150% bilateral adjustment does not apply
  • Assistant at surgery: assistant-at-surgery concept does not apply; 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 G0508

CMS caps G0508 at practitioner 1 (MAI 2, Code Descriptor / CPT Instruction); hospital outpatient 1 (MAI 2, Code Descriptor / CPT Instruction) units per day in the 2026 Q4 MUE tables. The practitioner MUE is a date-of-service policy edit: units above the limit deny even when split across lines, and appeals rarely succeed.

MUE values for G0508 by setting
SettingMUE (units/DOS)MAICMS rationale
Practitioner services12 Date of Service Edit: PolicyCode Descriptor / CPT Instruction
Facility outpatient hospital12 Date of Service Edit: PolicyCode Descriptor / CPT Instruction

The MUE lookup for G0508 shows every setting next to any other code on the same claim.

NCCI edits and add-on rules

In the practitioner PTP file v323r0, G0508 is the column-2 (bundled) code in 418 active pairs, 17% of which allow a modifier and the column-1 code in 95 (27% modifier-allowed); 539 earlier pairs have been deleted. CMS's most frequent rationale for the bundled pairs: Standard preparation/monitoring services for anesthesia.

Column-1 codes most often paired with G0508 (practitioner)
Column-1 codePairs
00100 (CPT; descriptor licensed by AMA)1
00102 (CPT; descriptor licensed by AMA)1
00103 (CPT; descriptor licensed by AMA)1
00104 (CPT; descriptor licensed by AMA)1
00120 (CPT; descriptor licensed by AMA)1
00124 (CPT; descriptor licensed by AMA)1
00126 (CPT; descriptor licensed by AMA)1
00140 (CPT; descriptor licensed by AMA)1
Column-2 codes bundled into G0508 (practitioner)
Column-2 codePairs
0734T (CPT; descriptor licensed by AMA)1
36591 (CPT; descriptor licensed by AMA)1
36592 (CPT; descriptor licensed by AMA)1
43752 (CPT; descriptor licensed by AMA)1
80503 (CPT; descriptor licensed by AMA)1
80504 (CPT; descriptor licensed by AMA)1
80505 (CPT; descriptor licensed by AMA)1
80506 (CPT; descriptor licensed by AMA)1

In the hospital outpatient PTP file v323r0, G0508 is the column-2 (bundled) code in 4 active pairs, 100% of which allow a modifier and the column-1 code in 21 (29% modifier-allowed); 10 earlier pairs have been deleted. CMS's most frequent rationale for the bundled pairs: CPT Manual or CMS manual coding instruction.

Column-1 codes most often paired with G0508 (hospital outpatient)
Column-1 codePairs
0884T (CPT; descriptor licensed by AMA)1
0886T (CPT; descriptor licensed by AMA)1
0889T (CPT; descriptor licensed by AMA)1
99291 (CPT; descriptor licensed by AMA)1
Column-2 codes bundled into G0508 (hospital outpatient)
Column-2 codePairs
0734T (CPT; descriptor licensed by AMA)1
98000 (CPT; descriptor licensed by AMA)1
98001 (CPT; descriptor licensed by AMA)1
98002 (CPT; descriptor licensed by AMA)1
98003 (CPT; descriptor licensed by AMA)1
98004 (CPT; descriptor licensed by AMA)1
98005 (CPT; descriptor licensed by AMA)1
98006 (CPT; descriptor licensed by AMA)1

G0508 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 G0508 against a second code to see whether the pair bundles and whether a modifier can separate the services.

Medicare coverage policies for G0508

No current LCD or billing and coding article lists G0508. The HCPCS coverage code C means carrier judgment, so the Medicare contractor decides coverage, and any National Coverage Determination for the service still applies.

Telehealth status

G0508 is on the CY2026 Medicare telehealth services list (CMS action: Maintain). Bill it with the place-of-service code and modifiers that match where the patient and the practitioner are on the date of service.

Denials to expect on G0508

CARC 50 · N115

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

CARC 151 · N362

units of G0508 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 G0508 claims

QuickCode supports qualified coder review of units, modifiers and NCCI pairs for G0508 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 G0508

What does HCPCS code G0508 describe?

"Telehealth consultation, critical care, initial , physicians typically spend 60 minutes communicating with the patient and providers via telehealth" (short descriptor "Crit care telehea consult 60"), in the G section (procedures and professional services, temporary). Added 2017-01-01.

Is G0508 a CPT code?

It is not. G0508 belongs to the G section (procedures and professional services, temporary) of HCPCS Level II, the CMS code set, not to AMA CPT. "G0508 CPT code" searches refer to it.

What does Medicare pay for G0508?

National PFS payment for G0508 is no non-facility amount in an office and $184.71 in a facility (October 2026), built from 4.00 work, 1.17 practice-expense and 0.36 malpractice RVUs at $33.4009 per RVU. Qualifying APM participants get $185.63 at $33.5675.

How many units of G0508 can be billed per day?

CMS caps G0508 at practitioner 1 (MAI 2, Code Descriptor / CPT Instruction); hospital outpatient 1 (MAI 2, Code Descriptor / CPT Instruction) units per day in the 2026 Q4 MUE tables. For the practitioner MUE (MAI 2), units above 1 deny for the whole day as a policy limit; denials arrive as CARC 151.

Does Medicare cover G0508?

No current LCD or billing article lists G0508; its HCPCS coverage code is C (carrier judgment, so the Medicare contractor decides coverage).

Can G0508 be billed as telehealth?

Yes. G0508 is on the CY2026 Medicare telehealth list (Maintain); the place-of-service and modifier rules on the date of service still apply.

CMS guidance

The Medicare Learning Network publication that CMS issues on this topic, cited by ICN and publication date:

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.