N73 – Other female pelvic inflammatory diseases

ICD-10-CM 2027 diagnosis code · Inflammatory diseases of female pelvic organs

Non-billable header

ICD-10-CM code N73

Code: N73 (claims format: N73)
Description: Other female pelvic inflammatory diseases
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 14. Diseases of the genitourinary system (N00-N99)
Block: N70-N77 Inflammatory diseases of female pelvic organs

Billable codes under N73

N73 is a header code and cannot be used on claims. Choose the most specific code:

N73.0 – Acute parametritis and pelvic cellulitisBillable
N73.1 – Chronic parametritis and pelvic cellulitisBillable
N73.2 – Unspecified parametritis and pelvic cellulitisBillable
N73.3 – Female acute pelvic peritonitisBillable
N73.4 – Female chronic pelvic peritonitisBillable
N73.5 – Female pelvic peritonitis, unspecifiedBillable
N73.6 – Female pelvic peritoneal adhesions (postinfective)Billable
N73.8 – Other specified female pelvic inflammatory diseasesBillable
N73.9 – Female pelvic inflammatory disease, unspecifiedBillable

Notes for N73

Use additional code:

code (B95-B97), to identify infectious agent.

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Block N70-N77

Excludes1 (not coded here):

inflammatory diseases of female pelvic organs complicating:
abortion or ectopic or molar pregnancy (O00-O07, O08.0)
pregnancy, childbirth and the puerperium (O23.-, O75.3, O85, O86.-)

Code also:

, if applicable, pelvic abscess (K6A.0-)

Frequently asked questions

What is ICD-10 code N73?

N73 is the ICD-10-CM code for other female pelvic inflammatory diseases, in the block N70-N77 (Inflammatory diseases of female pelvic organs).

Is N73 a billable code?

No. N73 is a header code with more specific child codes; report one of the billable codes listed above.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.