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v1.0.0
ICD-10 Guide
DiagnosesCerebral Volume Loss

Cerebral Volume Loss

ICD-10 Coding for Cerebral Volume Loss(G31.1, S06.2X0A)

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

Diagnosis Overview

What is Cerebral Volume Loss?
Essential facts and insights about Cerebral Volume Loss

Key Clinical Considerations:

  • Cognitive decline or memory loss
  • MRI or CT scan showing reduced brain volume
  • Neurological deficits during physical examination

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history and symptom description
  • Results of imaging studies
  • Neurological assessment findings

Coding Guidelines

Usage Guidelines & Examples

  • Follow guidelines for coding neurological disorders
  • Common errors include misclassifying related conditions

Code Exclusions

Important Exclusions

  • Traumatic brain injury, stroke-related volume loss
  • Codes for other neurodegenerative disorders

Related ICD-10 Codes

Primary Codes
G31.84
Cerebral volume loss
Ancillary Codes
R41.9
R29.818
Differential Codes
G30.9
G30.9
when Alzheimer's is confirmed as the cause.
G93.89
G93.89
for non-traumatic causes of atrophy.

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Neurology

Specialty Applications

  • Older adults, patients with neurodegenerative diseases
  • Neurology clinics, hospitals

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 symptoms, imaging results, and neurological assessments.

What are the billing considerations?

Ensure accurate coding to reflect the severity and underlying causes.