ICD-10 K66.0
Billable / SpecificPeritoneal adhesions (postprocedural) (postinfection)
About ICD-10-CM K66.0
ICD-10-CM code K66.0 represents Peritoneal adhesions (postprocedural) (postinfection). This is a billable/specific code in the Digestive System chapter (block K66). The 2026 edition of ICD-10-CM K66.0 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under K66.0. Per CMS ICD-10-CM Tabular 2026.
- Adhesions (of) abdominal (wall)
- Adhesions (of) diaphragm
- Adhesions (of) intestine
- Adhesions (of) male pelvis
- Adhesions (of) omentum
- Adhesions (of) stomach
- Adhesive bands
- Mesenteric adhesions
Type 1 Excludes
Pure excludes, these codes can never be coded together with K66.0. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- peritoneal adhesions with intestinal obstruction (K56.5-)
Type 2 Excludes
Not included here, the excluded code is not part of K66.0, but a patient may have both conditions at the same time. Both codes may be coded together when applicable.
- female pelvic adhesions [bands] (N73.6)
- female pelvic postprocedural adhesions (N99.4)
Medicare LCD Coverage for K66.0
Local Coverage Determinations (LCDs) from CMS MACs that list K66.0 as a covered diagnosis.
Showing top 9. Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing K66.0.
1 Medicare
CPT Codes Commonly Billed with K66.0
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 K66.0 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 |
|---|---|---|
| K66.0 | 5680 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To K66.0
Other codes in section K65-K68 (Diseases of peritoneum and retroperitoneum).
ICD-10 K66.0, Billing FAQ
Is ICD-10 code K66.0 billable? +
Yes, K66.0 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What other names or terms map to K66.0? +
ICD-10 K66.0 includes: Adhesions (of) abdominal (wall); Adhesions (of) diaphragm; Adhesions (of) intestine, and 5 more clinical synonyms.
What codes are Type 1 Excludes for K66.0? +
Type 1 Excludes (never code together with K66.0): peritoneal adhesions with intestinal obstruction (K56.5-)
What codes are Type 2 Excludes for K66.0? +
Type 2 Excludes (may be coded together when both conditions exist): female pelvic adhesions [bands] (N73.6); female pelvic postprocedural adhesions (N99.4)
What ICD-9 codes does K66.0 map to? +
Per CMS GEMs, K66.0 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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