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G9231

G9231Documentation of end stage renal disease (esrd), dialysis, renal transplant before or during the measurement period or pregnancy during the measurement period

HCPCSActiveBETOS M5B

G9231 is a HCPCS Level II code for documentation of end stage renal disease (esrd), dialysis, renal transplant before or during the measurement period or pregnancy during the measurement period. It belongs to the Procedures and Professional Services (Temporary) section. Whether Medicare pays it depends on the coverage rule below.

Medicare coverage: Carrier judgment

Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.

From the coverage field of the CMS Alpha-Numeric HCPCS File, release 2026Q3-Jul. This states Medicare’s position on the code, not on your particular claim.

Physician fee schedule statusM

Measurement code. Used for reporting purposes only; never paid.

Global period: XXX

Want the dollar amount for your locality? The fee calculator applies your GPCI and the current conversion factor.

The CMS record for G9231

Long descriptor
Documentation of end stage renal disease (esrd), dialysis, renal transplant before or during the measurement period or pregnancy during the measurement period

The official wording. This is what the code means.

Short descriptor
Doc esrd dia trans preg

CMS's 28-character form, which is what shows up on a remittance advice.

Added
January 1, 2014

When CMS introduced the code.

BETOS
M5B

Berenson-Eggers Type of Service — CMS's own analytic grouping.

Pricing indicator
00 — Not priced by Part B

Service not separately priced by Part B — not covered, bundled into another service, or used by Part A only.

Codes adjacent to G9231

HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If G9231 is not quite right, the correct code is very often within a few positions of it.

  • G9223Pneumocystis jiroveci pneumonia prophylaxis prescribed within 3 months of low cd4+ cell count below 500 cells/mm3 or a cd4 percentage below 15%
  • G9224Documentation of medical reason for not performing foot exam (e.g., patient with bilateral foot/leg amputation)terminated
  • G9225Foot exam was not performed, reason not given
  • G9226Foot examination performed (includes examination through visual inspection, sensory exam with 10-g monofilament plus testing any one of the following: vibration using 128-hz tuning fork, pinprick sensation, ankle reflexes, or vibration perception threshold, and pulse exam; report when all of the 3 components are completed)
  • G9227Functional outcome assessment documented, care plan not documented, documentation the patient is not eligible for a care plan at the time of the encounter
  • G9228Chlamydia, gonorrhea and syphilis screening results documented (report when results are present for all of the 3 screenings)
  • G9229Chlamydia, gonorrhea, and syphilis screening results not documented (patient refusal is the only allowed exception)terminated
  • G9230Chlamydia, gonorrhea, and syphilis not screened, reason not given
  • G9232Clinician treating major depressive disorder did not communicate to clinician treating comorbid condition for specified patient reason (e.g., patient is unable to communicate the diagnosis of a comorbid condition; the patient is unwilling to communicate the diagnosis of a comorbid condition; or the patient is unaware of the comorbid condition, or any other specified patient reason)terminated
  • G9233All quality actions for the applicable measures in the total knee replacement measures group have been performed for this patientterminated
  • G9234I intend to report the total knee replacement measures groupterminated
  • G9235All quality actions for the applicable measures in the general surgery measures group have been performed for this patientterminated
  • G9236All quality actions for the applicable measures in the optimizing patient exposure to ionizing radiation measures group have been performed for this patientterminated
  • G9237I intend to report the general surgery measures groupterminated
  • G9238I intend to report the optimizing patient exposure to ionizing radiation measures groupterminated
  • G9239Documentation of reasons for patient initiating maintenance hemodialysis with a catheter as the mode of vascular access (e.g., patient has a maturing arteriovenous fistula (avf)/arteriovenous graft (avg), time-limited trial of hemodialysis, other medical reasons, patient declined avf/avg, other patient reasons, patient followed by reporting nephrologist for fewer than 90 days, other system reasons)terminated

Questions about G9231

What is HCPCS code G9231?

G9231 is a HCPCS Level II code for documentation of end stage renal disease (esrd), dialysis, renal transplant before or during the measurement period or pregnancy during the measurement period. It sits in the Procedures and Professional Services (Temporary) section.

Does Medicare cover G9231?

The CMS HCPCS file marks G9231 as "Carrier judgment". Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.

How is G9231 paid under the physician fee schedule?

G9231 carries PFS status code M. Measurement code. Used for reporting purposes only; never paid.

HCPCS Level II2026Q3-Jul· effective July 1, 2026