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v1.0.0
ICD-10 Guide
DiagnosesBone Density Screening

Bone Density Screening

ICD-10 Coding for Bone Density Screening(Z13.820, M85.8)

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

Diagnosis Overview

What is Bone Density Screening?
Essential facts and insights about Bone Density Screening

Key Clinical Considerations:

  • Increased risk factors for osteoporosis (e.g., age, gender, family history)
  • History of fractures with minimal trauma
  • Signs of bone loss (e.g., height loss, kyphosis)

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history and risk factor assessment
  • Results of bone density tests (DEXA scan)
  • Indication for screening (e.g., age, medical history)

Coding Guidelines

Usage Guidelines & Examples

  • Follow guidelines for appropriate use of Z codes for screening.
  • Common errors include using incorrect codes for non-screening encounters.

Code Exclusions

Important Exclusions

  • Patients with known osteoporosis already receiving treatment
  • Codes for other bone diseases (e.g., Paget's disease)

Related ICD-10 Codes

Primary Codes
Z13.820
Encounter for screening for osteoporosis
M81.0
Age-related osteoporosis without current pathological fracture
Ancillary Codes
Z79.52
Differential Codes
M85.8
Z13.820

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Endocrinology

Specialty Applications

  • Postmenopausal women, men over 70, individuals with risk factors for osteoporosis
  • Endocrinology clinics, primary care 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 patient risk factors, test results, and clinical rationale for screening.

What are the billing considerations?

Ensure correct coding based on diagnosis and include any relevant modifiers.