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v1.0.0
ICD-10 Guide
DiagnosesLow Testosterone

Low Testosterone

ICD-10 Coding for Low Testosterone(E29.1, E23.0, E89.5)

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

Diagnosis Overview

What is Low Testosterone?
Essential facts and insights about Low Testosterone

Key Clinical Considerations:

  • Decreased libido
  • Erectile dysfunction
  • Fatigue and decreased energy
  • Loss of muscle mass
  • Increased body fat
  • Mood changes (depression, irritability)
  • Bone density loss

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history and symptom assessment
  • Laboratory test results (total testosterone levels)
  • Physical examination findings (testicular size, secondary sexual characteristics)
  • Assessment of comorbid conditions (diabetes, obesity)

Coding Guidelines

Usage Guidelines & Examples

  • Follow guidelines for distinguishing between primary and secondary hypogonadism.
  • Common errors include misclassifying the type of hypogonadism.

Code Exclusions

Important Exclusions

  • Hypergonadism
  • Conditions causing secondary hypogonadism (e.g., pituitary disorders)
  • Alternative codes for related symptoms (e.g., erectile dysfunction)

Related ICD-10 Codes

Primary Codes
E29.1
Testicular hypofunction
E29.9
Male hypogonadism, unspecified
Ancillary Codes
N52.1
Differential Codes
E23.0
E29.1

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Endocrinology

Specialty Applications

  • Adult male patients
  • Endocrinology clinics
  • Urology practices

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 clinical symptoms, lab results, and treatment plans.

Billing considerations?

Ensure accurate coding to reflect the diagnosis and any associated conditions.