G9935 HCPCS Level II Code: Adenoma(s) or colorectal cancer not detected during screening colonoscopy
Medicare Coverage & Payment
- CMS short descriptor: Canc not detectd during srcn
- Medicare coverage: Carrier judgment (CMS coverage code C)
- Payment category: Service not separately priced (pricing indicator 00)
- BETOS: Z2 — Undefined codes
- Last CMS action effective: January 1, 2021
- Terminated: December 31, 2020
Source: CMS HCPCS Level II release. Coverage codes indicate how Medicare treats the code, not whether a specific claim will be paid; payer policy and documentation still govern.
Code Set: Removed from the code set — not valid on or after January 1, 2021.
Contextual Map
Every relationship of G9935 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.
Nearest codes (40)
- G9915 — No record of hbv results documented[Sibling]— CMS HCPCS Level II code set
- G9916 — Functional status performed once in the last 12 months[Sibling]— CMS HCPCS Level II code set
- G9917 — Documentation of advanced stage dementia and caregiver knowledge is limited[Sibling]— CMS HCPCS Level II code set
- G9918 — Functional status not performed, reason not otherwise specified[Sibling]— CMS HCPCS Level II code set
- G9919 — Screening performed and positive and provision of recommendations[Sibling]— CMS HCPCS Level II code set
- G9920 — Screening performed and negative[Sibling]— CMS HCPCS Level II code set
- G9921 — No screening performed, partial screening performed or positive screen without recommendations and reason is not given or otherwise specified[Sibling]— CMS HCPCS Level II code set
- G9922 — Safety concerns screen provided and if positive then documented mitigation recommendations[Sibling]— CMS HCPCS Level II code set
- and 32 more
Change history (2)
- January 1, 2021 — Removed from the code set [Change history]— CMS release files (code change ledger)
- and 1 more
Sources for this page
Codes, titles, notes, index terms and mappings on this page are transcribed from the datasets below. Relationships MedCoder computed and text MedCoder wrote are labelled where they appear.
- Code, descriptors, coverage and pricing attributes Official source data
- CMS HCPCS Alpha-Numeric (ANWEB) release — July 2026 quarterly update Release, file and checksum · Publisher’s page
- Change history and date-of-service validity Official source data
- CMS HCPCS quarterly update files, ingested into the change ledger Release, file and checksum · Publisher’s page
- Comparisons, relationships and the contextual map MedCoder structured relationship
- Computed by MedCoder from the tabular notes and tables above; every derived relationship is marked as derived where it appears
- Summary and FAQ answers MedCoder explanation
- Written by MedCoder to explain the sources above: drafted with AI assistance, checked by a person against the release files, and labelled as MedCoder text where it appears. Not official text.
Labels on this page: Official source data · MedCoder structured relationship · MedCoder explanation. How to read the labels · All data sources and release dates
Change history
- January 1, 2021Removed from the code setAdenoma(s) or colorectal cancer not detected during screening colonoscopy
- January 1, 2018Added to the code setAdenoma(s) or colorectal cancer not detected during screening colonoscopy
Nearest Codes in This Family
Official HCPCS Level II classifications closest to G9935 in its code family, with their registry titles.
- G9930 — Patients who are receiving comfort care only
- G9931 — Documentation of cha2ds2-vasc risk score of 0 or 1 for men; or 0, 1, or 2 for women
- G9932 — Documentation of patient reason(s) for not having records of negative or managed positive tb screen (e.g., patient does not return for mantoux (ppd) skin test evaluation)
- G9933 — Adenoma(s) or colorectal cancer detected during screening colonoscopy
- G9934 — Documentation that neoplasm detected is only diagnosed as traditional serrated adenoma, sessile serrated polyp, or sessile serrated adenoma
- G9936 — Surveillance colonoscopy - personal history of colonic polyps, colon cancer, or other malignant neoplasm of rectum, rectosigmoid junction, and anus
- G9937 — Diagnostic colonoscopy
- G9938 — Patients aged 66 or older in institutional special needs plans (snp) or residing in long-term care with pos code 32, 33, 34, 54, or 56 for more than 90 consecutive days during the six months prior to…
- G9939 — Pathologists/dermatopathologists is the same clinician who performed the biopsy
- G9940 — Documentation of medical reason(s) for not on a statin (e.g., pregnancy, in vitro fertilization, clomiphene rx, esrd, cirrhosis, muscular pain and disease during the measurement period or prior year)