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Home/Diagnosis/ICD-10 Coding for Unresponsiveness

ICD-10 Coding for Unresponsiveness

R40.20
R40.4

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

Also Known as:
Altered Mental Status
Coma
Transient Alteration of Awareness
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Key Information: ICD-10 Coding for Unresponsiveness

Essential facts and insights about ICD-10 Coding for Unresponsiveness

Use ICD-10 code R40.20 for unspecified coma, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Unspecified coma

Billable Code
R40.20
Billable

Diagnostic Criteria

clinical:
  • • Patient exhibits persistent unresponsiveness with no response to stimuli.
documentation:
  • • Duration and cause of unresponsiveness are documented.

Applicable To

  • • Coma NOS

Important Notes

  • • Ensure documentation specifies the duration and stimuli response.

Transient alteration of awareness

Billable Code
R40.4
Billable

Diagnostic Criteria

clinical:
  • • Episode resolves within 4 hours
  • • No intervention required

Applicable To

  • • Brief unresponsiveness

Important Notes

  • • Document the duration and resolution of the episode.
Ancillary Codes

Additional codes that may be used with this diagnosis

G93.41

Metabolic encephalopathy

Use when unresponsiveness is due to metabolic causes.

F05

Delirium due to known physiological condition

Use when unresponsiveness is part of a delirium episode.

Frequently Asked Questions

What is the ICD-10 code for unresponsiveness?

The ICD-10 code for unresponsiveness depends on the duration and cause. R40.20 is used for unspecified coma, while R40.4 is for transient alteration of awareness.

How is unresponsiveness documented in medical records?

Unresponsiveness should be documented with the duration, GCS score, response to stimuli, and any underlying causes or interventions.

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