Z85.4A: Personal history of malignant neoplasm of fallopian tube(s)

New code · FY2026

Billable: use this code on claims.

• New code, effective October 1, 2025 (FY2026).

Code breakdown

Coding notes

Inclusion terms (from Z85.4)

• Conditions classifiable to C51-C63

Excludes2 (from Z85)

• personal history of benign neoplasm (Z86.01-)
• personal history of carcinoma-in-situ (Z86.00-)

Code first (from Z85)

• any follow-up examination after treatment of malignant neoplasm (Z08)

Use additional code (from Z85)

• code to identify:
• alcohol use and dependence (F10.-)
• exposure to environmental tobacco smoke (Z77.22)
• history of tobacco dependence (Z87.891)
• occupational exposure to environmental tobacco smoke (Z57.31)
• tobacco dependence (F17.-)
• tobacco use (Z72.0)

Medicare coverage

Z85.4A is listed as a covered diagnosis in 18 Medicare billing and coding articles:

• A52370 Billing and Coding: Bevacizumab and biosimilars
• A52453 Billing and Coding: Luteinizing Hormone-Releasing Hormone (LHRH) Analogs
• A54338 Billing and Coding: MolDX: Germline testing for use of PARP inhibitors
• A54768 Billing and Coding: Cardiac Blood Pool Imaging (Multiple Gated Acquisition Scanning- MUGA, Ventriculography) When Performed in Conjunction with Cardiotoxic Chemotherapy
• A55224 Billing and Coding: MolDX: Germline testing for use of PARP inhibitors
• A55294 Billing and Coding: MolDX: Germline testing for use of PARP inhibitors
• A56421 Billing and Coding: CT of the Abdomen and Pelvis
• A56542 Billing and Coding: BRCA1 and BRCA2 Genetic Testing
• A57449 Billing and Coding: BRCA1 and BRCA2 Genetic Testing
• A57450 Billing and Coding: Genetic Testing for Lynch Syndrome

…and 8 more. Check the coverage tool for your CPT code.

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All FY2026 ICD-10-CM changes

ICD-10-CM codes and descriptions are from the CMS and NCHS code files. Coverage is from the CMS Medicare Coverage Database billing and coding articles.