C56.2 — Malignant neoplasm of left ovary
Is C56.2 billable?
Yes — C56.2 is billable for FY2027. C56.2 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. C56.2 may be submitted for encounters from October 1, 2026 through September 30, 2027.
C56.2 at a glance
| Code | C56.2 |
|---|---|
| Description | Malignant neoplasm of left ovary |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does C56.2 group to?
C56.2 sits in MDC 13 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 731Uterine and Adnexa Procedures for Malignancy with MCCsurgical
- 732Uterine and Adnexa Procedures for Malignancy with CCsurgical
- 733Uterine and Adnexa Procedures for Malignancy without CC/MCCsurgical
As a secondary diagnosis, C56.2 is a complication or comorbidity (CC), which can move a stay into a higher-paying DRG.
How is C56.2 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under C56, the nearest indexed parent of C56.2. Use them to find the family, then select the specific code.
- Carcinoma › granulosa cell (malignant)
- Dermoid › with malignant transformation (cyst)
- Thecoma › malignant
- Adenofibroma › endometrioid › malignant
- Brenner › tumor › malignant
- Teratoma › ovary › embryonal, immature or malignant (solid)
- Tumor › Brenner › malignant
- Tumor › dermoid › with malignant transformation
Use additional code — inherited from C56
Report an additional code alongside C56.2 to fully describe the condition. C56.2 is sequenced first.
- code to identify any functional activity
How long has C56.2 existed?
C56.2 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.