All ICD10 Codes

J4A

Non-Billable
ChapterJ00–J99
Rankcategory
Official Description

Chronic lung allograft dysfunction

Use a more specific code (3 billable)
J4A.0Restrictive allograft syndromeJ4A.8Other chronic lung allograft dysfunctionJ4A.9Chronic lung allograft dysfunction, unspecified
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 10: Diseases of the Respiratory System (J00-J99).

CH10 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • smoke inhalation (T59.81-)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Use Additional Code
  • code, where applicable, to identify:
  • exposure to environmental tobacco smoke (Z77.22)
  • exposure to tobacco smoke in the perinatal period (P96.81)
  • history of tobacco dependence (Z87.891)
  • occupational exposure to environmental tobacco smoke (Z57.31)
  • tobacco dependence (F17.-)
  • tobacco use (Z72.0)

J40-J4A Parent Instructions

Excludes1(Not coded here. Use a different code.)
  • bronchitis due to chemicals, gases, fumes and vapors (J68.0)
Excludes2(Not included here. Code separately if applicable.)
  • cystic fibrosis (E84.-)

Instructional Notes

Code First
  • , if applicable:
  • 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)
Code Also
  • , if applicable, bronchiolitis obliterans syndrome (J44.81)

Clinical Hierarchy

BillableHas subcodes
CH10Diseases of the respiratory system (J00-J99)
J40-J4AChronic lower respiratory diseases (J40-J4A)
J4AChronic lung allograft dysfunctionNot billable
J4A.0Restrictive allograft syndromeBillable
J4A.8Other chronic lung allograft dysfunctionBillable
J4A.9Chronic lung allograft dysfunction, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to J4A:

blockJ40-J4A
Chronic lower respiratory diseases (J40-J4A)
View context instructions
chapterCH10
Diseases of the respiratory system (J00-J99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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