Q89.89: Other specified congenital malformations

New code · FY2026

Billable: use this code on claims.

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

Code breakdown

Coding notes

Use additional code (from Q89.8)

• code(s) to identify all associated manifestations

Medicare coverage

Q89.89 is listed as a covered diagnosis in 6 Medicare billing and coding articles:

• A56414 Billing and Coding: Endovenous Stenting
• A56644 Billing and Coding: Endovenous Stenting
• A56726 Billing and Coding: Ophthalmology: Posterior Segment Imaging (Extended Ophthalmoscopy and Fundus Photography)
• A56767 Billing and Coding: Heavy Metal Testing
• A56781 Billing and Coding: Transthoracic Echocardiography (TTE)
• A57071 Billing and Coding: Ophthalmology: Posterior Segment Imaging (Extended Ophthalmoscopy and Fundus Photography)

Check this code

• Code search: full entry and nearby codes
• Excludes checker: can it be billed with another code?
• Coverage checker: is it covered for your CPT code?

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.