10ICD Code Hub

D13.91

Billable code

Familial adenomatous polyposis

The ICD-10 code for familial adenomatous polyposis is D13.91.

Clinical notes

Code also

Two codes may be needed to fully describe a condition, but unlike Code First/Use Additional Code, the sequencing order is not mandated by convention.

  • associated conditions, such as:
  • benign neoplasm of colon (D12.6)
  • malignant neoplasm of colon (C18.-)

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

Related codes in this category

Associated MS-DRGs

D13.91 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.

Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.