D47.Z1 Post-transplant lymphoproliferative disorder (PTLD)

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Code first

• complications of transplanted organs and tissue (T86.-)

Risk adjustment (HCC)

• CMS-HCC V28: HCC 21 — Lymphoma and Other Cancers
• CMS-HCC V22: HCC 48 — Coagulation Defects and Other Specified Hematological Disorders
• ESRD V24: HCC 48

MS-DRG index

Defines the logic of DRG(s) 919-921 in MDC 21.

Approximate ICD-9-CM (GEMs)

• 238.77 Post-transplant lymphoproliferative disorder (PTLD)

Medicare Code Edits (MCE v43.1 (April 2026))

• Unacceptable principal diagnosis: These codes describe a circumstance which influences care but is not a current illness or injury, or capture only an underlying condition, and are unacceptable as principal diagnosis.

Code annotations containing back-references to D47.Z1

Back-references to D47.Z1

• Use Additional: T86 Complications of transplanted organs and tissue ("post-transplant lymphoproliferative disorders (PTLD) (D47.Z1)")

Diagnosis Index entries for D47.Z1

• Complication (s) (from) (of) › transplant › post-transplant lymphoproliferative disorder (PTLD)
• Disorder (of) › lymphoproliferative, post-transplant (PTLD)
• Disorder (of) › post-transplant lymphoproliferative

Nearby codes

• D47.1 Chronic myeloproliferative disease
• D47.2 Monoclonal gammopathy
• D47.3 Essential (hemorrhagic) thrombocythemia
• D47.4 Osteomyelofibrosis
• D47.Z Other specified neoplasms of uncertain behavior of lymphoid, hematopoietic and related tissue
• D47.Z1 Post-transplant lymphoproliferative disorder (PTLD) (this code)
• D47.Z2 Castleman disease
• D47.Z9 Other specified neoplasms of uncertain behavior of lymphoid, hematopoietic and related tissue
• D47.9 Neoplasm of uncertain behavior of lymphoid, hematopoietic and related tissue, unspecified