N70.1 vs N83.31
N70.1 (Chronic salpingitis and oophoritis) compared with N83.31 (Acquired atrophy of ovary), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Can these codes be reported together?
Yes, when both are documented. N83.31 carries an Excludes2 note covering N70.1: “hydrosalpinx (N70.1-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| N70.1Chronic salpingitis and oophoritis | N83.31Acquired atrophy of ovary | |
|---|---|---|
| Billing status | Non-billable header | Non-billable header |
| Classification | N00-N99 — Diseases of the Genitourinary System (N00-N99) | N00-N99 — Diseases of the Genitourinary System (N00-N99) |
| Definition | Chronic salpingitis and oophoritis is a non-billable ICD-10-CM category code (N70.1). | Acquired atrophy of ovary is a non-billable ICD-10-CM category code (N83.31). |
| Includes | abscess (of) fallopian tube abscess (of) ovary pyosalpinx salpingo-oophoritis | — |
| Use additional code | code (B95-B97), to identify infectious agent | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources