ICD-10 J44.81
Billable / Specific HCC v28: 111Bronchiolitis obliterans and bronchiolitis obliterans syndrome
About ICD-10-CM J44.81
ICD-10-CM code J44.81 represents Bronchiolitis obliterans and bronchiolitis obliterans syndrome. This is a billable/specific code in the Respiratory System chapter (block J44). The 2026 edition of ICD-10-CM J44.81 became effective on October 1, 2025.
Coding Tips for J44.81
Specialist guidance from the PayerReady Medical Coding Team. Specificity warnings, HCC capture rules, sequencing notes.
J44.81 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.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under J44.81. Per CMS ICD-10-CM Tabular 2026.
- Obliterative bronchiolitis
Coding Notes
Code Also
- , if applicable, associated conditions, such as:
- chronic graft-versus-host disease (D89.811)
- chronic lung allograft dysfunction (J4A.-)
- chronic respiratory conditions due to chemicals, gases, fumes and vapors (J68.4)
Code First
- , if applicable:
- complication of bone marrow transplant (T86.09)
- complication of stem cell transplant (T86.5)
- heart-lung transplant rejection (T86.31)
- lung transplant rejection (T86.810)
- other complications of heart-lung transplant (T86.39)
- other complications of lung transplant (T86.818)
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 J44.81
Local Coverage Determinations (LCDs) from CMS MACs that list J44.81 as a covered diagnosis.
Showing top 10 of 619 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing J44.81.
5 Medicare
Codes Adjacent To J44.81
Other codes in section J40-J4A (Chronic lower respiratory diseases).
ICD-10 J44.81, Billing FAQ
Is ICD-10 code J44.81 billable? +
Yes, J44.81 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 J44.81? +
ICD-10 J44.81 includes: Obliterative bronchiolitis.
Does J44.81 affect Medicare Advantage HCC risk adjustment? +
Yes. J44.81 maps to CMS-HCC v28 category 111. Capture this diagnosis annually for accurate Medicare Advantage risk score.
What CPT codes are commonly billed with J44.81? +
Procedures frequently paired with J44.81 include: 94626, 94625.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on June 1, 2026.
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