N73
Other female pelvic inflammatory diseases
N73 is a non-billable ICD-10-CM code category for other female pelvic inflammatory diseases. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are 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 and 5 more. Its coding notes include a Use additional code instruction, a Code also instruction, 3 Excludes1 entries and 8 Excludes2 entries.
Use additional code
Add the listed code as a secondary code, if known.
- code (B95-B97), to identify infectious agent.
Code also
Two codes may be needed to describe the condition. This note gives no sequencing order.
Excludes1
Not coded here. The listed conditions generally should not be reported together.
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (8 notes)
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
More specific codes under N73 9
- N73.0Acute parametritis and pelvic cellulitisBillable
- N73.1Chronic parametritis and pelvic cellulitisBillable
- N73.2Unspecified parametritis and pelvic cellulitisBillable
- N73.3Female acute pelvic peritonitisBillable
- N73.4Female chronic pelvic peritonitisBillable
- N73.5Female pelvic peritonitis, unspecifiedBillable
- N73.6Female pelvic peritoneal adhesions (postinfective)Billable
- N73.8Other specified female pelvic inflammatory diseasesBillable
- N73.9Female pelvic inflammatory disease, unspecifiedBillable