DocScrib
How it WorksPricingBlog
Sign InSign UpBook a Demo
DocScrib

AI-powered medical documentation platform streamlining healthcare workflows through intelligent transcription and clinical note generation.

Book a Demo

Product

  • Medical Templates
  • Pricing
  • Integrations
  • Security & Compliance

Resources

  • Blog
  • Documentation
  • Case Studies

Contact

  • support@docscrib.com
  • +1 (555) 123-4567
  • 123 Healthcare Blvd
    Medical District, CA 90210
© 2025 DocScrib. All rights reserved.
Privacy PolicyTerms of ServiceCookie Policy
Home/Diagnosis/ICD-10 Coding for Altered Level of Consciousness

ICD-10 Coding for Altered Level of Consciousness

R40.0
R40.1
R40.2

Complete ICD-10-CM coding and documentation guide for icd-10 coding for altered level of consciousness includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
ALOC
Altered Consciousness
Impaired Consciousness
Join 10,000+ Happy Clinicians

The AI Medical Scribe for Happiest Clinicians

Save 2+ hours daily with instant clinical documentation.
Our AI scribe listens, understands, and generates comprehensive medical notes so you can focus on patient care.

Start Free Trial
No credit card required•HIPAA compliant
Recording Controls
Start recording to see live transcription
Live Conversation - Try For Free!
Real-time transcription with automatic speaker identification

Ready to Record

Start recording to see live conversation transcription

Key Information: ICD-10 Coding for Altered Level of Consciousness

Essential facts and insights about ICD-10 Coding for Altered Level of Consciousness

Use ICD-10 code R40.0 for somnolence, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Somnolence

Billable Code
R40.0
Billable

Diagnostic Criteria

  • • Patient is arousable with verbal stimuli.

Applicable To

  • • Drowsiness

Important Notes

  • • Ensure documentation specifies the level of arousal.

Stupor

Billable Code
R40.1
Billable

Diagnostic Criteria

  • • Patient is unresponsive except to vigorous stimuli.

Applicable To

  • • Unresponsiveness except to vigorous stimuli

Important Notes

  • • Document the type of stimuli required to elicit a response.

Coma

Non-Billable
R40.2
Non-Billable

Diagnostic Criteria

  • • Patient is completely unresponsive.

Applicable To

  • • Persistent unconsciousness

Important Notes

  • • Ensure GCS score is documented to support the diagnosis.
Frequently Asked Questions

What is the ICD-10 code for altered level of consciousness?

The primary ICD-10 codes for altered level of consciousness are R40.0 for somnolence, R40.1 for stupor, and R40.2 for coma.

How do you document altered level of consciousness?

Document the patient's GCS score, response to stimuli, and any underlying conditions causing the altered consciousness.

Quick Navigation
All DiagnosesICD-10 Codes

Related Resources

How Medical Coding WorksBrowse All Codes