G0124 Screen c/v thin layer by md
What G0124 is
Screening cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation, requiring interpretation by physician
HCPCS Level II long description, CMS October 2026 file. See the G codes page for the full section.
Medicare payment for G0124 (CY2026)
| Work RVU | Practice expense RVU | Malpractice RVU | Total | Medicare rate | |
|---|---|---|---|---|---|
| Non-facility (office) | 0.25 | 0.46 | 0.01 | 0.72 | $24.05 |
| Facility (hospital, ASC) | 0.25 | 0.46 | 0.01 | 0.72 | $24.05 |
National rates: total RVUs x the CY2026 conversion factor of 33.4009 (non-QP), before geographic adjustment. Actual Medicare payment is 80% of the rate shown after the deductible; the patient or secondary payer owes the 20% coinsurance.
Status: Active - payable under the Physician Fee Schedule. Global period: Global concept does not apply.
Medically Unlikely Edit (MUE)
Medicare caps G0124 at 1 unit per date of service for practitioner claims (MAI 3 - date of service edit (clinical): units above the MUE may pay with documentation on appeal), rationale: Anatomic Consideration. Units above the cap are denied unless the edit's adjudication rules allow an appeal with documentation.
Billed with G0124? These codes are bundled into it
G0124 is a Column 1 code in 18 active NCCI PTP edits. When one of these Column 2 codes is reported on the same date of service, it is denied as bundled - unless the edit's modifier indicator is 1 and documentation supports a distinct service with an NCCI-associated modifier.
| Column 2 code | Short description | Modifier indicator | |
|---|---|---|---|
88142 | Cytopath c/v thin layer | 0 - no modifier bypass | Check pair |
88143 | Cytopath c/v thin layer redo | 0 - no modifier bypass | Check pair |
88147 | Cytopath c/v automated | 0 - no modifier bypass | Check pair |
88148 | Cytopath c/v auto rescreen | 0 - no modifier bypass | Check pair |
88150 | Cytopath c/v manual | 0 - no modifier bypass | Check pair |
88152 | Cytopath c/v auto redo | 0 - no modifier bypass | Check pair |
88153 | Cytopath c/v redo | 0 - no modifier bypass | Check pair |
88164 | Cytopath tbs c/v manual | 0 - no modifier bypass | Check pair |
88165 | Cytopath tbs c/v redo | 0 - no modifier bypass | Check pair |
88166 | Cytopath tbs c/v auto redo | 0 - no modifier bypass | Check pair |
88167 | Cytopath tbs c/v select | 0 - no modifier bypass | Check pair |
88174 | Cytopath c/v auto in fluid | 0 - no modifier bypass | Check pair |
88175 | Cytopath c/v auto fluid redo | 0 - no modifier bypass | Check pair |
G0141 | Scr c/v cyto,autosys and md | 0 - no modifier bypass | Check pair |
G0147 | Scr c/v cyto, automated sys | 0 - no modifier bypass | Check pair |
G0148 | Scr c/v cyto, autosys, rescr | 0 - no modifier bypass | Check pair |
P3000 | Screen pap by tech w md supv | 0 - no modifier bypass | Check pair |
P3001 | Screening pap smear by phys | 0 - no modifier bypass | Check pair |
G0124 is bundled into these codes
G0124 appears as a Column 2 code in 1 active edits. Reported with one of these Column 1 codes on the same date of service, G0124 is the code that denies.
| Column 1 code | Short description | Modifier indicator | |
|---|---|---|---|
88141 | Cytopath c/v interpret | 0 | Check pair |
Data: CMS CY2026 Physician Fee Schedule RVU file (October release, RVU26D) and Medicare NCCI PTP practitioner edits v32.3 (2026 Q4). Verify against the official files before billing or contracting decisions.