ICD-10 Logo
ICDxICD-10 Medical Coding
ICD-10 Logo
ICDxICD-10 Medical Coding
ICD 10 CodesDiagnoses
ICD 10 CodesDiagnoses
ICD-10 Logo
ICDxICD-10 Medical Coding

Comprehensive ICD-10-CM code reference with AI-powered search capabilities.

© 2025 ICD Code Compass. All rights reserved.

Browse

  • All Chapters
  • All Categories
  • Diagnoses

Tools

  • AI Code Search
ICD-10-CM codes are maintained by the CDC and CMS. This tool is for reference purposes only.
v1.0.0
ICD-10 Guide
DiagnosesNeutropenic Fever

Neutropenic Fever

ICD-10 Coding for Neutropenic Fever(D70.1, D70.9, R50.81)

PRIMARY SPECIALTYOncology
COMPLEXITYHigh
LAST UPDATED09/15/2025
Sam Tuffun, PT, DPT
Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Neutropenic Fever?
Essential facts and insights about Neutropenic Fever

Key Clinical Considerations:

  • Fever (temperature > 38.3°C or 101°F)
  • Neutrophil count < 500 cells/mm³
  • Signs of infection (e.g., chills, sweats, malaise)

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient's temperature and neutrophil count must be documented
  • Specify the source of infection if identified
  • Document any associated symptoms or clinical findings

Coding Guidelines

Usage Guidelines & Examples

  • Follow guidelines for coding neutropenic fever to avoid miscoding.
  • Common errors include failing to document neutrophil counts or fever.

Code Exclusions

Important Exclusions

  • Febrile neutropenia due to chemotherapy (specific codes may apply)
  • Other causes of neutropenia not related to fever

Related ICD-10 Codes

Primary Codes
D70.9
Neutropenia, unspecified
R50.81
Fever, unspecified
Ancillary Codes
T45.1X5A
D70.1
to indicate chemotherapy as the cause.
Differential Codes
D70.9
D70.1
R50.2

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Oncology

Specialty Applications

  • Cancer patients undergoing chemotherapy
  • Patients with bone marrow disorders

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

What are the documentation requirements?

Document fever, neutrophil count, and any signs of infection.

What are the billing considerations?

Ensure accurate coding of neutropenia and associated infections for proper reimbursement.