ICD-10 N99.4
Billable / SpecificPostprocedural pelvic peritoneal adhesions
About ICD-10-CM N99.4
ICD-10-CM code N99.4 represents Postprocedural pelvic peritoneal adhesions. This is a billable/specific code in the Genitourinary System chapter (block N99). The 2026 edition of ICD-10-CM N99.4 became effective on October 1, 2025.
Type 2 Excludes
Not included here, the excluded code is not part of N99.4, but a patient may have both conditions at the same time. Both codes may be coded together when applicable.
- pelvic peritoneal adhesions NOS (N73.6)
- postinfective pelvic peritoneal adhesions (N73.6)
Medicare LCD Coverage for N99.4
Local Coverage Determinations (LCDs) from CMS MACs that list N99.4 as a covered diagnosis.
Showing top 9. Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing N99.4.
1 Medicare
CPT Codes Commonly Billed with N99.4
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.
Convert N99.4 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| N99.4 | 5680 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To N99.4
Other codes in section N99 (Intraoperative and postprocedural complications and disorders of genitourinary system, not elsewhere classified).
ICD-10 N99.4, Billing FAQ
Is ICD-10 code N99.4 billable? +
Yes, N99.4 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What codes are Type 2 Excludes for N99.4? +
Type 2 Excludes (may be coded together when both conditions exist): pelvic peritoneal adhesions NOS (N73.6); postinfective pelvic peritoneal adhesions (N73.6)
What ICD-9 codes does N99.4 map to? +
Per CMS GEMs, N99.4 maps to ICD-9 codes: 5680. Useful for legacy data review and historical claim analysis.
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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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