C57.00 (Malignant neoplasm of unspecified fallopian tube) compared with C57.02 (Malignant neoplasm of left fallopian tube), from the official CMS tabular data. C57.00 and C57.02 code the same condition on opposite sides.
Same condition; these differ only in which side is documented.
These codes share a category and title and differ only in the side affected. The documentation decides which applies, and a bilateral code is reported only where the code set provides one.
Source: ICD-10-CM tabular list (laterality variant derived from the code title)
Same condition, opposite side. C57.00 and C57.02 name the same condition on opposite sides of the body.
Same category and title, differing only in which side is affected — the documentation decides which one applies, and a bilateral code is reported only where the code set provides one.
| C57.00Malignant neoplasm of unspecified fallopian tube | C57.02Malignant neoplasm of left fallopian tube | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | C00-D49 — Neoplasms | C00-D49 — Neoplasms |
| Definition | Malignant neoplasm of unspecified fallopian tube is a billable ICD-10-CM diagnosis code (C57.00). | Malignant neoplasm of left fallopian tube is a billable ICD-10-CM diagnosis code (C57.02). |
| Includes | malignant neoplasm of skin of female genital organs | malignant neoplasm of skin of female genital organs |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources