Other female pelvic inflammatory diseases (N73) ICD-10-CM
The N73 code range covers other female pelvic inflammatory diseases with 10 ICD-10-CM diagnosis codes. 9 of them are billable and valid for claim submission in fiscal year 2027, and the category headers group them but cannot themselves be billed.
Use Additional Code
The “use additional code” indicates that a secondary code could be used to further specify the patient’s condition. This note is not mandatory and is only used if enough information is available to assign an additional code.
Codes in the N73 Range 10 codes · 9 billable
- N73 Other female pelvic inflammatory diseasesNon-billable
- N73.0 Acute parametritis and pelvic cellulitis
- N73.1 Chronic parametritis and pelvic cellulitis
- N73.2 Unspecified parametritis and pelvic cellulitis
- N73.3 Female acute pelvic peritonitis
- N73.4 Female chronic pelvic peritonitis
- N73.5 Female pelvic peritonitis, unspecified
- N73.6 Female pelvic peritoneal adhesions (postinfective)
- N73.8 Other specified female pelvic inflammatory diseases
- N73.9 Female pelvic inflammatory disease, unspecified
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the N73 range.
Parametritis
Inflammation of the parametrium, the connective tissue of the pelvic floor, extending from the subserous coat of the uterus laterally between the layers of the BROAD LIGAMENT.
About the N73 Code Range
These conditions involve inflammation in the female pelvis. The category includes conditions named parametritis, pelvic cellulitis, and pelvic peritonitis, along with pelvic peritoneal adhesions after infection.
Parametritis and pelvic cellulitis are divided into acute (N73.0), chronic (N73.1), and unspecified (N73.2) forms. Pelvic peritonitis has the same divisions: acute (N73.3), chronic (N73.4), and unspecified (N73.5). N73.6 identifies pelvic peritoneal adhesions after infection. N73.8 and N73.9 distinguish other specified from unspecified female pelvic inflammatory disease.
Questions About This Page
How many billable codes are in the N73 range?
Of the 10 codes in this range, 9 are billable and valid for claim submission from October 1, 2026 through September 30, 2027. Category header codes group them but cannot be reported on claims.
What does the N73 range classify?
The range classifies other female pelvic inflammatory diseases. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.
