N70.1 (Chronic salpingitis and oophoritis) compared with N83.529 (Torsion of fallopian tube, unspecified side), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Distinct conditions — both may be reported.
“hydrosalpinx (N70.1-)”
An Excludes2 note means the excluded condition is not part of the code above it, but a patient can have both. Report both when both are documented.
Source: CMS ICD-10-CM tabular instructional notes
Yes, when both are documented. N83.529 carries an Excludes2 note covering N70.1: “hydrosalpinx (N70.1-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
| N70.1Chronic salpingitis and oophoritis | N83.529Torsion of fallopian tube, unspecified side | |
|---|---|---|
| Billing status | Non-billable header | Billable |
| 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). | Torsion of fallopian tube, unspecified side is a billable ICD-10-CM diagnosis code (N83.529). |
| Includes | abscess (of) fallopian tube abscess (of) ovary pyosalpinx salpingo-oophoritis | Torsion of fallopian tube, NOS |
| 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