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T86.5

Complications of stem cell transplant

Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 2 never code together
S00-T88chapter
Excludes2

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 9
T86code
Use additional code
  • code to identify other transplant complications, such as:
  • graft-versus-host disease (D89.81-)D89.81-
  • malignancy associated with organ transplant (C80.2)C80.2
  • post-transplant lymphoproliferative disorders (PTLD) (D47.Z1)D47.Z1
T86.5code
Inclusion terms
  • Complications from stem cells from peripheral blood
  • Complications from stem cells from umbilical cord
S00-T88chapter
Notes
  • Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
  • The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.
Use additional code
  • code to identify any retained foreign body, if applicable (Z18.-)Z18.-
Index entries leading here 3
  • Complication (s) (from) (of)
    • transplant T86.90
      • peripheral blood stem cells T86.5
      • stem cell (from peripheral blood) (from umbilical cord) T86.5
      • umbilical cord stem cells T86.5
  • Failure, failed
    • transplant T86.92
      • stem cell (peripheral blood) (umbilical cord) T86.5
  • Rejection
    • transplant T86.91
      • stem cell (peripheral blood) (umbilical cord) T86.5
Alongside this code 7 same parent — T86
T86.0 Complications of bone marrow transplant category T86.1 Complications of kidney transplant category T86.2 Complications of heart transplant category T86.3 Complications of heart-lung transplant category T86.4 Complications of liver transplant category T86.8 Complications of other transplanted organs and tissues category T86.9 Complication of unspecified transplanted organ and tissue category
Additional references
AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

CMS22HCC186 CMS28HCC454 ESRD21HCC186 ESRD24HCC186 RX08HCC395

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This code

Billable
yes
Code set
FY2026
Parent
T86
Block
T07-T88
Siblings
7

Present FY2024–FY2027.