ICD-10 Code for Cystosarcoma phyllodes
The ICD-10-CM code for cystosarcoma phyllodes is D48.6 — Neoplasm of uncertain behavior of breast. This is the code the Alphabetic Index gives for cystosarcoma phyllodes with no further qualifier, valid for FY2027 (October 1, 2026 – September 30, 2027).
D48.6 cannot be submitted on a claim. It is a header code, so a more specific code from the list below is required.
Which cystosarcoma phyllodes code should you use?
The Alphabetic Index lists 2 codes under Cystosarcoma phyllodes. Which one applies depends on the qualifier documented in the record — the type, site, cause, or associated condition. Find the qualifier below, then verify the code in the Tabular List before using it.
By type
| benign | D24 | Benign neoplasm of breast | not billable |
Codes under D48.6
Index terms and codes are reproduced from the official ICD-10-CM FY2027 release. The Alphabetic Index is a finding aid — a code must always be verified in the Tabular List before it is reported. Data sources