ICD-10 K44.9
Billable / SpecificDiaphragmatic hernia without obstruction or gangrene
About ICD-10-CM K44.9
ICD-10-CM code K44.9 represents Diaphragmatic hernia without obstruction or gangrene. This is a billable/specific code in the Digestive System chapter (block K44). The 2026 edition of ICD-10-CM K44.9 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under K44.9. Per CMS ICD-10-CM Tabular 2026.
- Diaphragmatic hernia NOS
Medicare LCD Coverage for K44.9
Local Coverage Determinations (LCDs) from CMS MACs that list K44.9 as a covered diagnosis.
Showing top 10 of 33 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing K44.9.
1 Cigna
3 Medicare
CPT Codes Commonly Billed with K44.9
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 K44.9 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 |
|---|---|---|
| K44.9 | 5533 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To K44.9
Other codes in section K40-K46 (Hernia).
ICD-10 K44.9, Billing FAQ
Is ICD-10 code K44.9 billable? +
Yes, K44.9 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 K44.9? +
ICD-10 K44.9 includes: Diaphragmatic hernia NOS.
What ICD-9 codes does K44.9 map to? +
Per CMS GEMs, K44.9 maps to ICD-9 codes: 5533. 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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