J4ANon-billable (header)

Chronic lung allograft dysfunction

Related Codes· Chronic lower respiratory diseases (J40-J4A)

J40Bronchitis, not specified as acute or chronicJ41Simple and mucopurulent chronic bronchitisJ42Unspecified chronic bronchitisJ43EmphysemaJ44Other chronic obstructive pulmonary diseaseJ45AsthmaJ47Bronchiectasis

Sub-codes of J4A(3)

J4A is a non-billable header. Select a sub-code to bill.

J4A.0Restrictive allograft syndrome✓ BillableJ4A.8Other chronic lung allograft dysfunction✓ BillableJ4A.9Chronic lung allograft dysfunction, unspecified✓ Billable

Code Hierarchy

┌10Diseases of the respiratory system (J00-J99)├J40-J4AChronic lower respiratory diseases (J40-J4A)├J4AChronic lung allograft dysfunction
└J4AChronic lung allograft dysfunction

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