ICDcodes.org
FY2027

C44.510Basal cell carcinoma of anal skin

Billable

Is C44.510 billable?

Yes — C44.510 is billable for FY2027. C44.510 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. C44.510 may be submitted for encounters from October 1, 2026 through September 30, 2027.

C44.510 at a glance

CodeC44.510
DescriptionBasal cell carcinoma of anal skin
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

Which MS-DRGs does C44.510 group to?

C44.510 sits in MDC 09 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

  • 606Minor Skin Disorders with MCCmedical
  • 607Minor Skin Disorders without MCCmedical

Inclusion terms

Alternative wording in documentation that is classified to C44.510.

  • Basal cell carcinoma of anal margin
  • Basal cell carcinoma of perianal skin

Excludes1 — never code together — inherited from C44

The conditions below can never be reported together with C44.510 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

  • Kaposi's sarcoma of skin (C46.0)
  • malignant melanoma of skin (C43.-)
  • malignant neoplasm of skin of genital organs (C51-C52, C60.-, C63.2)
  • Merkel cell carcinoma (C4A.-)

Excludes1 — never code together — inherited from C44.5

The conditions below can never be reported together with C44.510 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

How long has C44.510 existed?

C44.510 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.

What other codes are in the C44.51 family? (2)