ICD-10 J84.115
Billable / Specific HCC v28: 112Respiratory bronchiolitis interstitial lung disease
About ICD-10-CM J84.115
ICD-10-CM code J84.115 represents Respiratory bronchiolitis interstitial lung disease. This is a billable/specific code in the Respiratory System chapter (block J84). The 2026 edition of ICD-10-CM J84.115 became effective on October 1, 2025.
Coding Tips for J84.115
Specialist guidance from the PayerReady Medical Coding Team. Specificity warnings, HCC capture rules, sequencing notes.
J84.115 is a CMS-HCC v28 risk-adjustment code (category 112). 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 J84.115
Local Coverage Determinations (LCDs) from CMS MACs that list J84.115 as a covered diagnosis.
Showing top 10 of 132 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing J84.115.
5 Medicare
CPT Codes Commonly Billed with J84.115
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 J84.115 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 |
|---|---|---|
| J84.115 | 51634 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To J84.115
Other codes in section J80-J84 (Other respiratory diseases principally affecting the interstitium).
ICD-10 J84.115, Billing FAQ
Is ICD-10 code J84.115 billable? +
Yes, J84.115 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
Does J84.115 affect Medicare Advantage HCC risk adjustment? +
Yes. J84.115 maps to CMS-HCC v28 category 112. Capture this diagnosis annually for accurate Medicare Advantage risk score.
What ICD-9 codes does J84.115 map to? +
Per CMS GEMs, J84.115 maps to ICD-9 codes: 51634. Useful for legacy data review and historical claim analysis.
Get the full PayerReady toolkit
Free access to CPT/ICD-10 lookup, denial appeals, fee comparator, and claim auditing with credentialing enrollment.
Start free →Run this code through our claim audit tool
Check NCCI bundling, MUE limits, and modifier logic before submission.
Try the auditor →Did this page help?
Quick signal so we know what to improve.
If you want a code reference page that doesn't exist yet, email coding@payerready.com.
Tell us what's missing or wrong: coding@payerready.com. We respond within 5 business days.
Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
Powered by 11K CPT · 98K ICD-10 · 860K MPFS rates · 4.5M NCCI edits · 9.5M NPIs. Our data methodology · About our coding team