ICD-10 N80.399
Billable / SpecificEndometriosis of the pelvic peritoneum, other specified sites, unspecified depth
About ICD-10-CM N80.399
ICD-10-CM code N80.399 represents Endometriosis of the pelvic peritoneum, other specified sites, unspecified depth. This is a billable/specific code in the Genitourinary System chapter (block N80). The 2026 edition of ICD-10-CM N80.399 became effective on October 1, 2025.
Medicare LCD Coverage for N80.399
Local Coverage Determinations (LCDs) from CMS MACs that list N80.399 as a covered diagnosis.
Showing top 10 of 23 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing N80.399.
2 Medicare
CPT Codes Commonly Billed with N80.399
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Codes Adjacent To N80.399
Other codes in section N80-N98 (Noninflammatory disorders of female genital tract).
ICD-10 N80.399, Billing FAQ
Is ICD-10 code N80.399 billable? +
Yes, N80.399 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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