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v1.0.0
ICD-10 Guide
DiagnosesStreptococcal Bacteremia

Streptococcal Bacteremia

ICD-10 Coding for Streptococcal Bacteremia(A40.1, A49.1)

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

Diagnosis Overview

What is Streptococcal Bacteremia?
Essential facts and insights about Streptococcal Bacteremia

Key Clinical Considerations:

  • Fever, chills, and malaise
  • Blood cultures positive for Streptococcus species
  • Signs of sepsis or septic shock

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history including risk factors and symptoms
  • Results of blood cultures and sensitivity testing
  • Clinical assessment of infection source

Coding Guidelines

Usage Guidelines & Examples

  • Follow guidelines for sepsis coding and specificity.
  • Common errors include misidentifying the causative organism.

Code Exclusions

Important Exclusions

  • Non-streptococcal bacteremia
  • Other types of sepsis not caused by Streptococcus

Related ICD-10 Codes

Primary Codes
A40.0
Streptococcal sepsis
A40.1
Streptococcus pneumoniae sepsis
Ancillary Codes
R65.20
B95.3
Differential Codes
A41.9
A41.9
when the specific organism causing sepsis is not identified.
A40.3
A40.3
when sepsis is due to Streptococcus pneumoniae.

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Infectious Disease

Specialty Applications

  • Immunocompromised patients, elderly populations
  • Emergency departments, inpatient settings

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 clinical signs, lab results, and treatment response.

What are the billing considerations?

Ensure accurate coding to reflect severity and associated conditions.