J4A.9 Chronic lung allograft dysfunction, unspecified

Billable ICD-10-CM code, FY2026.

Applies from J4A Chronic lung allograft dysfunction

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)

Risk adjustment (HCC)

• CMS-HCC V28: HCC 276 — Lung Transplant Status/Complications
• CMS-HCC V22: HCC 186 — Major Organ Transplant or Replacement Status
• RxHCC V08: HCC 396 — Heart, Lung, Liver, Intestine, or Pancreas Transplant Status
• ESRD V24: HCC 186

MS-DRG index

Defines the logic of DRG(s) 190-192 in MDC 04.

Code annotations containing back-references to J4A.9

Back-references to J4A

• Code Also: J44.81 Bronchiolitis obliterans and bronchiolitis obliterans syndrome ("chronic lung allograft dysfunction (J4A.-)")

Diagnosis Index entries for J4A.9

• Dysfunction › chronic › lung allograft

Nearby codes

• J4A Chronic lung allograft dysfunction
• J4A.0 Restrictive allograft syndrome
• J4A.8 Other chronic lung allograft dysfunction
• J4A.9 Chronic lung allograft dysfunction, unspecified (this code)