N94 vs R18
N94 (Pain and other conditions associated with female genital organs and menstrual cycle) compared with R18 (Ascites), 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. R18 carries an Excludes2 note covering N94: “symptoms referable to female genital organs (N94.-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| N94Pain and other conditions associated with female genital organs and menstrual cycle | R18Ascites | |
|---|---|---|
| Billing status | Non-billable header | Non-billable header |
| Classification | N00-N99 — Diseases of the Genitourinary System (N00-N99) | R00-R99 — Symptoms, Signs and Abnormal Clinical and Laboratory Findings, Not Elsewhere Classified (R00-R99) |
| Definition | Pain and other conditions associated with female genital organs and menstrual cycle is a non-billable ICD-10-CM category code (N94). | Ascites is a non-billable ICD-10-CM category code (R18). |
| Includes | — | fluid in peritoneal cavity |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources