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ICD-10 Code T86.03: Bone marrow transplant infection

T86.03 is a billable ICD-10 diagnosis code used to classify Bone marrow transplant infection in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Injury, poisoning and certain other consequences of external causes (S00-T88).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Injury, poisoning and certain other consequences of external causes (S00-T88).

When is it used?

  • May be used when a clinician documents bone marrow transplant infection in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
19Injury, poisoning and certain other consequences of external causes (S00-T88)
block
T07-T88Injury, poisoning and certain other consequences of external causes
block
T80-T88Complications of surgical and medical care, not elsewhere classified
category
T86Complications of transplanted organs and tissue
category
T86.0Complications of bone marrow transplant
currentT86.0

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

Emergency Medicine SpecialistOrthopedic SpecialistInfectious Disease Specialist

Coverage-related procedures and services

CPT 87154high
CULTURE, TYPING; IDENTIFICATION OF BLOOD PATHOGEN AND RESISTANCE TYPING, WHEN PERFORMED, BY NUCLEIC ACID (DNA OR RNA) PROBE, MULTIPLEXED AMPLIFIED PROBE TECHNIQUE INCLUDING MULTIPLEX REVERSE TRANSCRIPTION, WHEN PERFORMED, PER CULTURE OR ISOLATE, 6 OR MORE TARGETS
Source: CMS coverage guidance
CPT 0142Uhigh
INFECTIOUS DISEASE (BACTERIA AND FUNGI), GRAM-NEGATIVE BACTERIAL IDENTIFICATION AND DRUG RESISTANCE ELEMENT DETECTION, DNA (21 GRAM-NEGATIVE BACTERIAL TARGETS, 6 RESISTANCE GENES, 1 PAN GRAM-POSITIVE BACTERIAL TARGET, 1 PAN CANDIDA TARGET), AMPLIFIED PROBE TECHNIQUE, EACH TARGET REPORTED AS DETECTED OR NOT DETECTED
Source: CMS coverage guidance
CPT 0141Uhigh
INFECTIOUS DISEASE (BACTERIA AND FUNGI), GRAM-POSITIVE ORGANISM IDENTIFICATION AND DRUG RESISTANCE ELEMENT DETECTION, DNA (20 GRAM-POSITIVE BACTERIAL TARGETS, 4 RESISTANCE GENES, 1 PAN GRAM-NEGATIVE BACTERIAL TARGET, 1 PAN CANDIDA TARGET), BLOOD CULTURE, AMPLIFIED PROBE TECHNIQUE, EACH TARGET REPORTED AS DETECTED OR NOT DETECTED
Source: CMS coverage guidance
CPT 0140Uhigh
INFECTIOUS DISEASE (FUNGI), FUNGAL PATHOGEN IDENTIFICATION, DNA (15 FUNGAL TARGETS), BLOOD CULTURE, AMPLIFIED PROBE TECHNIQUE, EACH TARGET REPORTED AS DETECTED OR NOT DETECTED
Source: CMS coverage guidance
CPT 88182high
FLOW CYTOMETRY, CELL CYCLE OR DNA ANALYSIS
Source: CMS coverage guidance
CPT 88185high
FLOW CYTOMETRY, CELL SURFACE, CYTOPLASMIC, OR NUCLEAR MARKER, TECHNICAL COMPONENT ONLY; EACH ADDITIONAL MARKER (LIST SEPARATELY IN ADDITION TO CODE FOR FIRST MARKER)
Source: CMS coverage guidance

Coding guidelines

Common synonyms

Bone marrow transplant infection

Frequently asked questions

Code details

CodeT86.03
SystemICD10
Display nameBone marrow transplant infection
ChapterInjury, poisoning and certain other consequences of external causes (S00-T88)
BlockComplications of surgical and medical care, not elsewhere classified

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Complication(s) (from) (of)

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

ICD-10 Code T86.03 for Bone marrow transplant infection | HealthAssure