N73.5 – Female pelvic peritonitis, unspecified

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

Billable code

ICD-10-CM code N73.5

Code: N73.5 (claims format: N735)
Description: Female pelvic peritonitis, unspecified
Billable: Yes – valid for HIPAA-covered transactions
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
Parent codes: N73

Notes inherited from parent codes

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

N73 – Other female pelvic inflammatory diseases

Use additional code:

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

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-)

Index terms for N73.5

Entries in the ICD-10-CM alphabetic index that lead to this code:

Peritonitis, pelvic, female

Related codes in N73

Frequently asked questions

What is ICD-10 code N73.5?

N73.5 is the ICD-10-CM code for female pelvic peritonitis, unspecified, in the block N70-N77 (Inflammatory diseases of female pelvic organs).

Is N73.5 a billable code?

Yes. N73.5 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does N73.5 belong to?

It belongs to category N73 – Other female pelvic inflammatory diseases.

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.