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HCPCS G0491

Priced under CLFS

G0491 · PFS Q4 2026

Status X is not separately payable under the PFS.

View applicable payment rules

HCPCS G0491 has no published national rate. It carries status X (statutory exclusion) in the Q4 2026 release. The statutory definition of physician services does not include this item. The blank amount means unpriced, not $0.

PFS status evidence

Inspect PFS status evidence
Code
G0491
Release
Q4 2026, revision 2
Result
Priced under CLFS

Citations

  • Shows this code’s PFS status (X). Result: Priced under CLFS.

    Physician relative value file (PPRRVU)

    Q4 2026 · revision 2

    Latest revision of this release

    Release period: October 1 – December 31, 2026

    This PFS record alone does not establish a $0 allowance or a coverage determination. Any amount from another schedule needs its own evidence.

    Record details PPRRVU2026_Oct_nonQPP.csv in rvu26d-updated-08-26-2026.zip (row 15,296)
    hcpcs (col 1)
    G0491
    modifier (col 2)
    blank
    status_code (col 4)
    X

    SHA-256: 4d0d3f19bd954ffc0f5b8439169d267da023d4f6911f4539bb6e98723cb1a626

    Original source file

Plain-text summary

Why is there no national PFS amount for G0491?

Its status indicator is X (statutory exclusion). The statutory definition of physician services does not include this item. Status X is not separately payable under the PFS.

About this code

Dialysis acu kidney no esrd

Payment considerations Copy link

Here are the inputs and payment rules that apply to this code. Each link takes you to the detail below.

Other payment indicators (7)

Facility/non-facility: Not determined, Professional/technical component: Does not apply, Bilateral adjustment: Does not apply, Multiple-procedure reduction: Does not apply, Assistant/co-surgeon treatment: Does not apply, Global surgery: Does not apply, Contractor pricing: Does not apply.

Why would a Medicare claim for G0491 be denied or paid less?

These come from CMS indicators on this page, not general billing advice.

  • Its status indicator is X (statutory exclusion)—The statutory definition of physician services does not include this item. See status indicators
  • 126 codes form NCCI pairs with G0491 carrying modifier indicator 0—no NCCI-associated modifier bypasses the edit, so billed together on the same date of service, a line of the pair denies. See billing together
  • 164 codes pair with G0491 under modifier indicator 1—separately payable only when an NCCI-associated modifier (59, or a more specific XE, XS, XP, or XU) is clinically appropriate and the documentation supports a distinct service; without one, a line of the pair denies. See billing together
  • More than 1 unit per patient per date of service exceeds G0491's Medically Unlikely Edit (MUE) limit. See billing together

Payer-specific coverage and documentation rules live outside these files, so a claim that clears every check here can still be denied on other grounds.

Which billing rules and modifiers apply? Copy link

Global period: what G0491's fee already covers Copy link

XXX Does not apply

The global surgery concept does not apply to this code.

Can you bill it with another code? Copy link

Check a pair of codes Copy link

Enter a second CPT or HCPCS code billed on the same date of service. We'll check the current NCCI procedure-to-procedure edit for the pair.

See every current NCCI pair for G0491 →

Billing together (NCCI edits) Copy link

NCCI Q4 2026

Based on CMS's National Correct Coding Initiative (NCCI). A few examples appear here; use the complete edit page to check a specific pair.

Not separately payable with G0491 on the same date of service—no modifier bypasses the edit (modifier indicator 0)

36591 36591 denies
36592 36592 denies
62320 62320 denies

Showing 3 of 126.

Separately payable with G0491 only when an NCCI-associated modifier is appropriate and documented (modifier indicator 1)

0596T 0596T denies
0597T 0597T denies
0708T 0708T denies

Showing 3 of 164.

Modifier 59 and the X modifiers are not a universal bypass—CMS expects the most specific applicable modifier, and which one that is depends on the pair and the documented circumstances.

Check a paired code or view all 290 NCCI pairs →

Medically Unlikely Edit (MUE) limit: 1 unit per patient per date of service.

How has it changed? Copy link

Rate history by release Copy link

National Office (non-facility) amount for G0491 across quarterly releases.

Release Status Office Facility
Q4 2026 Oct 1, 2026 – present X — —
Q3 2026 Jul 1, 2026 – Sep 30, 2026 X — —
Q2 2026 Apr 1, 2026 – Jun 30, 2026 X — —
When does this rate change?

CMS publishes a fee schedule release every quarter (January, April, July, October), and each is versioned here. See what changed each release, or get an email when a new release moves rates.

Sources: CMS Medicare Physician Fee Schedule Relative Value Files.

Did this answer your question about HCPCS G0491?

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Source & method

Show sources

This page uses CMS's Medicare Physician Fee Schedule Q4 2026 release (effective October 2026). National baselines use GPCI 1.000 and exclude sequestration. Whether a national amount exists depends on the status and CMS’s payment instructions; blank RVUs are never treated as zero. Past releases are never edited, so these sources stay valid after CMS publishes a newer one. CMS owns the code description shown for HCPCS Level II codes. Our methodology explains sourcing, parsing, versioning, and how we cross-check claims before we publish them.

Use the (i) buttons next to each amount above for the exact row, columns, and math.

Cite this rate

The citation names the release, so anyone can check it even after CMS publishes a newer one.

HCPCS G0491 National PFS baseline: No national PFS rate (Q4 2026; participating; whole service; GPCI 1.000; sequestration excluded). Localis. https://localishealth.com/hcpcs/G0491/2026/D