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v1.0.0
ICD-10 Guide
DiagnosesPulmonary Tuberculosis

Pulmonary Tuberculosis

ICD-10 Coding for Pulmonary Tuberculosis(A15.0, Z11.1)

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

Diagnosis Overview

What is Pulmonary Tuberculosis?
Essential facts and insights about Pulmonary Tuberculosis

Key Clinical Considerations:

  • Cough lasting more than three weeks
  • Hemoptysis (coughing up blood)
  • Unexplained weight loss
  • Night sweats
  • Fever and chills
  • Fatigue
  • Chest pain

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history including exposure risk and symptoms
  • Results of sputum smear and culture
  • Chest X-ray findings
  • Mantoux tuberculin skin test results
  • Clinical assessment and treatment plan

Coding Guidelines

Usage Guidelines & Examples

  • Ensure correct use of A15 codes for confirmed cases versus A16 for non-confirmed.
  • Common errors include misclassifying pulmonary TB as extrapulmonary TB.

Code Exclusions

Important Exclusions

  • Latent tuberculosis infection (A16.0)
  • Other respiratory infections

Related ICD-10 Codes

Primary Codes
A15.0
Pulmonary tuberculosis, bacteriologically and histologically confirmed
A15.9
Pulmonary tuberculosis, unspecified
Ancillary Codes
R05
R50.9
Differential Codes
Z22.7
Z22.7
for latent TB infection without active disease.
A15.0
A15.0
when TB is confirmed, not just screened.

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Pulmonology

Specialty Applications

  • Adults and children with suspected or confirmed TB
  • Inpatient and outpatient clinical 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

Documentation requirements?

Document all clinical findings, diagnostic tests, and treatment plans.

Billing considerations?

Ensure accurate coding to reflect the severity and type of tuberculosis for appropriate reimbursement.