C58 — Malignant neoplasm of placenta
Is C58 billable?
Yes — C58 is billable for FY2027. C58 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. C58 may be submitted for encounters from October 1, 2026 through September 30, 2027.
C58 at a glance
| Code | C58 |
|---|---|
| Description | Malignant neoplasm of placenta |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does C58 group to?
C58 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
How is C58 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to C58. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Choriocarcinoma › unspecified site › female
- Carcinoma › chorionic › unspecified site › female (malignant)
Excludes1 — never code together
The conditions below can never be reported together with C58 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Includes
Conditions classified to C58.
- choriocarcinoma NOS
- chorionepithelioma NOS
How long has C58 existed?
C58 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.
Which codes are confused with C58?
ICD-10-CM declares these codes mutually exclusive with C58 — exactly one of each pair can be correct for a given encounter.