ICD-10 J41.1
Billable / Specific HCC v28: 111Mucopurulent chronic bronchitis
About ICD-10-CM J41.1
ICD-10-CM code J41.1 represents Mucopurulent chronic bronchitis. This is a billable/specific code in the Respiratory System chapter (block J41). The 2026 edition of ICD-10-CM J41.1 became effective on October 1, 2025.
Coding Tips for J41.1
Specialist guidance from the PayerReady Medical Coding Team. Specificity warnings, HCC capture rules, sequencing notes.
J41.1 is a CMS-HCC v28 risk-adjustment code (category 111). To count for the patient Risk Adjustment Factor (RAF), document the diagnosis with MEAT language each calendar year: Monitored, Evaluated, Assessed, Treated. A diagnosis on the problem list alone does not satisfy CMS RADV audit standards. Include the diagnosis in the assessment with current status and current treatment plan.
Medicare Advantage HCC Impact
Capture this diagnosis annually for accurate risk adjustment. Missed HCC captures are the #1 revenue leak in Medicare Advantage risk programs.
Medicare LCD Coverage for J41.1
Local Coverage Determinations (LCDs) from CMS MACs that list J41.1 as a covered diagnosis.
Showing top 10 of 354 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing J41.1.
5 Medicare
Convert J41.1 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 |
|---|---|---|
| J41.1 | 4911 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To J41.1
Other codes in section J40-J4A (Chronic lower respiratory diseases).
ICD-10 J41.1, Billing FAQ
Is ICD-10 code J41.1 billable? +
Yes, J41.1 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
Does J41.1 affect Medicare Advantage HCC risk adjustment? +
Yes. J41.1 maps to CMS-HCC v28 category 111. Capture this diagnosis annually for accurate Medicare Advantage risk score.
What CPT codes are commonly billed with J41.1? +
Procedures frequently paired with J41.1 include: 94626, 94625.
What ICD-9 codes does J41.1 map to? +
Per CMS GEMs, J41.1 maps to ICD-9 codes: 4911. 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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