J4A.0
Billable codeRestrictive allograft syndrome
The ICD-10 code for restrictive allograft syndrome is J4A.0.
Clinical notes
Code also
Two codes may be needed to fully describe a condition, but unlike Code First/Use Additional Code, the sequencing order is not mandated by convention.
- , if applicable, for mixed chronic lung allograft dysfunction, bronchiolitis obliterans syndrome (J44.81)
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- J4A.8Other chronic lung allograft dysfunction
- J4A.9Chronic lung allograft dysfunction, unspecified
- J4A.0Restrictive allograft syndrome
Associated MS-DRGs
J4A.0 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.