D05.9 — Unspecified type of carcinoma in situ of breast
Is D05.9 billable?
No — D05.9 is a non-billable header code. D05.9 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 3 billable codes beneath D05.9.
D05.9 at a glance
| Code | D05.9 |
|---|---|
| Description | Unspecified type of carcinoma in situ of breast |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is D05.9 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to D05.9. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Adenocarcinoma-in-situ › breast
- Carcinoma-in-situ › breast NOS
Excludes1 — never code together — inherited from D05
The conditions below can never be reported together with D05.9 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
What codes fall under D05.9? (3)
How long has D05.9 existed?
D05.9 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.