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Describe a service in plain words, or type a CPT/HCPCS code.

Q4 2026 takes effect Oct 1, 2026. CMS published it early. Dates of service before then use the current release—see the current CPT 15879 rate.

CPT 15879

Restricted / special payment rules

15879 · PFS Q4 2026 · Upcoming

No national PFS rate in Q4 2026

Status R: no national PFS amount. The RVUs for this setting are all zero; they do not establish a $0 allowance. Special payment instructions apply.

View applicable payment rules

CMS published status R (restricted) for CPT 15879 in the Q4 2026 Physician Fee Schedule, with no national PFS amount. These figures take effect for dates of service beginning Oct 1, 2026. Treat the blank amount as unpriced, not as $0.

PFS status evidence

Inspect PFS status evidence
Code
15879
Release
Q4 2026, revision 2
Result
Restricted / special payment rules

Citations

  • Shows this code’s PFS status (R). Result: Restricted / special payment rules.

    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 1,592)
    hcpcs (col 1)
    15879
    modifier (col 2)
    blank
    status_code (col 4)
    R
    work_rvu (col 6)
    0
    pe_rvu_nonfacility (col 7)
    0
    pe_rvu_facility (col 9)
    0
    mp_rvu (col 11)
    0

    SHA-256: 4d0d3f19bd954ffc0f5b8439169d267da023d4f6911f4539bb6e98723cb1a626

    Original source file

Plain-text summary

Why is there no national PFS amount for 15879?

Its status indicator is R (restricted). Special coverage instructions apply, so whether Medicare pays depends on the circumstances of the service. Status R: no national PFS amount. The RVUs for this setting are all zero; they do not establish a $0 allowance. Special payment instructions apply.

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 (6)

Facility/non-facility: Does not apply, Professional/technical component: Does not apply, Assistant/co-surgeon treatment: Does not apply, Global surgery: Does not apply, Other fee-schedule routing: Does not apply, Contractor pricing: Does not apply.

Why would a Medicare claim for 15879 be denied or paid less?

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

  • Its status indicator is R (restricted)—Special coverage instructions apply, so whether Medicare pays depends on the circumstances of the service. See status indicators
  • 72 codes form NCCI pairs with 15879 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
  • 168 codes pair with 15879 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 15879's Medically Unlikely Edit (MUE) limit. See billing together
  • Assistant at surgery: restricted without documentation. See billing policy
  • Co-surgeons: not permitted. See billing policy
  • Team surgery: not permitted. See billing policy
  • Multiple procedures: standard reduction applies. See billing policy

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.

Payment review for 15879 Copy link

Four published payment rules can change what 15879 allows on a claim: status R coverage instructions, the same-day global package, the standard multiple-procedure reduction and the 150% bilateral adjustment. Each is a legitimate reason for a paid amount to differ from the fee-schedule amount on this page.

What to check

  • Treat the published amount as conditional—status R carries special coverage instructions, so a payable fee-schedule amount does not by itself establish that this line should have paid.
  • Check the visit date: this code carries no follow-up window, so a related visit the day after the procedure is separately payable and should not have bundled.
  • Rank the claim’s procedure lines before calling a reduced line short-paid—under the standard multiple-procedure rule only the highest-valued one prices in full.
  • Look for modifier 50 or a second-side line before comparing: billed for both sides, this procedure should price at 150% of the single-side amount.
  • Reprice the line against the release, locality, setting, modifier and participation status that applied to the date of service before treating any difference as an underpayment.

Codes to compare

National Q4 2026 amounts at GPCI 1.000. A blank means this schedule does not publish a payable PFS amount.

None of the comparison codes are in this release.

Sources: CMS Medicare Physician Fee Schedule Relative Value Files; CMS Medicare Physician Fee Schedule Relative Value Files (status indicator field); CMS Medicare Claims Processing Manual (Pub. 100-04).

Which billing rules and modifiers apply? Copy link

Global period: what 15879's fee already covers Copy link

000 Same day only

The fee covers pre-operative and post-operative work on the day of the procedure only—there is no follow-up window afterward. A visit the next day is separately payable.

Modifiers that report work outside 15879's global period
Modifier Reports
-25 A significant, separately identifiable E/M on the same day as the procedure, beyond its usual pre- and post-operative care.

A modifier reports what happened; it does not by itself make a service payable. Documentation has to support it.

Billing policy Copy link

These billing-policy indicators explain how 15879 is treated. They apply whether the code is nationally priced or carrier-priced: a restriction like "bilateral not allowed" still matters on a carrier-priced code.

Policy Value What it means
Bilateral surgery 1 150% bilateral adjustment applies. Billed bilaterally (modifier 50, or on both sides), Medicare pays 150% of the single-side fee schedule amount.
Assistant at surgery 0 Restricted without documentation. Payment for an assistant at surgery is restricted for this procedure unless supporting documentation establishes medical necessity.
Co-surgeons 0 Not permitted. Medicare does not recognize co-surgeons (modifier 62) for this procedure.
Team surgery 0 Not permitted. Medicare does not recognize a surgical team (modifier 66) for this procedure.
Multiple procedures 2 Standard reduction applies. When billed with other procedures on the same date, the highest-valued one is paid at 100% and the next four at 50% each.
Professional/technical split 0 No PC/TC split. This is a physician service code; the professional/technical split does not apply, and the code is billed as a single service.

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 15879 →

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 15879 on the same date of service—no modifier bypasses the edit (modifier indicator 0)

0213T 0213T denies
0216T 0216T denies
0489T 15879 denies

Showing 3 of 72.

Separately payable with 15879 only when an NCCI-associated modifier is appropriate and documented (modifier indicator 1)

0596T 0596T denies
0597T 0597T denies
0717T 15879 denies

Showing 3 of 168.

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 240 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 15879 across quarterly releases.

Release Status Office Facility
Q4 2026 takes effect Oct 1, 2026 R — —
Q3 2026 Jul 1, 2026 – Sep 30, 2026 R — —
Q2 2026 Apr 1, 2026 – Jun 30, 2026 R — —
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.

Usage and related codes Copy link

How often 15879 is billed Copy link

Across Original Medicare in CY2024, 15879 ranked #6,810 of the 7,879 CPT codes billed to Medicare that year, by patients served or total allowed dollars.

Beneficiaries
29
Office + facility beneficiaries combined
Services
34
Times it was billed
Allowed
$31,213
Total Medicare allowed dollars

2024 Medicare fee-for-service national totals. They exclude Medicare Advantage, Medicaid and commercial volume, so real-world use runs higher. This is a calendar-year snapshot from the CMS Physician & Other Practitioners dataset, on a different cycle from the Q4 2026 fee schedule above.

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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. 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.

CPT 15879 National PFS baseline: No national PFS rate (Q4 2026; participating; whole service; GPCI 1.000; sequestration excluded). Localis. https://localishealth.com/cpt/15879/2026/D