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Dx

ICD-10-CM 2027

ICD-10 code for benign cystosarcoma phyllodes

D24

Benign neoplasm of breast

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Cystosarcoma phyllodes › benign”. Page updated September 29, 2026.

About coding benign cystosarcoma phyllodes

The ICD-10-CM code for benign cystosarcoma phyllodes is D24 (Benign neoplasm of breast).

To report this condition, pick the subcode that matches the documentation: D24.1 (breast), D24.2 (breast) and D24.9 (breast).

The conditions in its Excludes2 note aren't part of D24, but may be coded alongside it if the patient has both: adenofibrosis of breast (N60.2), benign cyst of breast (N60.-), benign mammary dysplasia (N60.-), benign neoplasm of skin of breast (D22.5, D23.5) and 1 more.

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Common questions about benign cystosarcoma phyllodes ICD-10 codes

What is the ICD-10 code for benign cystosarcoma phyllodes?

D24 — Benign neoplasm of breast (a header code; report a more specific subcode).

Is D24 billable?

No. D24 is a header code. Report one of its more specific subcodes instead.