ICD-10 Guide

Stem Cell Transplant

ICD-10 Coding for Stem Cell Transplant(Z94.84, T86.09)

PRIMARY SPECIALTYHematology

COMPLEXITYHigh

LAST UPDATED09/15/2025

Sam Tuffun, PT, DPT

Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Stem Cell Transplant?

Essential facts and insights about Stem Cell Transplant

Key Clinical Considerations:

Cytopenias (anemia, thrombocytopenia, leukopenia)
Bone marrow biopsy showing malignancy or aplastic anemia
Physical exam may reveal splenomegaly or lymphadenopathy

Clinical Information

Clinical Criteria & Documentation Requirements

Patient history including previous treatments and response
Details of stem cell source (autologous or allogeneic)
Pre-transplant conditioning regimen and post-transplant care plan

Coding Guidelines

Usage Guidelines & Examples

Follow guidelines for coding stem cell transplant versus other hematologic procedures.
Common errors include misclassifying the type of transplant or not documenting the source.

Code Exclusions

Important Exclusions

Solid organ transplants and unrelated conditions.
Alternative codes for supportive care or complications post-transplant.

Specialty Focus

Primary Specialty

Hematology

Specialty Applications

Patients with hematologic malignancies, aplastic anemia, or genetic disorders.
Clinical settings include hospitals with transplant units and specialized hematology clinics.

Coding Complexity

High Complexity

This diagnosis requires careful attention to:

Comprehensive clinical documentation
Accurate code selection based on clinical criteria
Proper exclusion considerations
Specialty-specific coding guidelines

Documentation

Documentation Templates

Billing Information

Billing Considerations

Ensure proper documentation for billing
Verify code specificity requirements
Check for any additional codes needed
Review payer-specific guidelines

Common Issues

Insufficient clinical documentation
Incorrect code selection
Missing supporting diagnoses
Timing and frequency documentation

Frequently Asked Questions

Documentation requirements?

Include patient history, treatment plans, and outcomes.

Billing considerations?

Ensure accurate coding of stem cell source and related procedures.

Stem Cell Transplant

Diagnosis Overview

Key Clinical Considerations:

Clinical Information

Clinical Criteria & Documentation Requirements

Coding Guidelines

Usage Guidelines & Examples

Code Exclusions

Important Exclusions

Related ICD-10 Codes

Related CPT Codes

Specialty Focus

Primary Specialty

Specialty Applications

Coding Complexity

Documentation

Documentation Templates

Billing Information

Billing Considerations

Common Issues

Frequently Asked Questions

Documentation requirements?

Billing considerations?

Stem Cell Transplant

Diagnosis Overview

Key Clinical Considerations:

Clinical Information

Clinical Criteria & Documentation Requirements

Coding Guidelines

Usage Guidelines & Examples

Code Exclusions

Important Exclusions

Related ICD-10 Codes

Related CPT Codes

Specialty Focus

Primary Specialty

Specialty Applications

Coding Complexity

Documentation

Documentation Templates

Billing Information

Billing Considerations

Common Issues

Frequently Asked Questions

Documentation requirements?

Billing considerations?