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Home/Diagnosis/ICD-10 Coding for Mild Cognitive Impairment

ICD-10 Coding for Mild Cognitive Impairment

G31.84
R41.840

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

Also Known as:
MCI
Cognitive Decline
Mild Neurocognitive Disorder
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Key Information: ICD-10 Coding for Mild Cognitive Impairment

Essential facts and insights about ICD-10 Coding for Mild Cognitive Impairment

Use ICD-10 code G31.84 for mild cognitive impairment, so stated, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Mild cognitive impairment, so stated

Billable Code
G31.84
Billable

Diagnostic Criteria

clinical:
  • • MoCA score between 18-25
  • • Functional decline documented

Applicable To

  • • Cognitive decline NOS

Important Notes

  • • Ensure no underlying condition is present before using G31.84.

Unspecified cognitive impairment

Billable Code
R41.840
Billable

Diagnostic Criteria

clinical:
  • • Cognitive symptoms without specific diagnosis

Applicable To

  • • Cognitive impairment NOS

Important Notes

  • • Use for general cognitive impairment without specific diagnosis.
Ancillary Codes

Additional codes that may be used with this diagnosis

Z13.41

Encounter for cognitive function testing

Use when cognitive testing is performed.

Frequently Asked Questions

What is the ICD-10 code for mild cognitive impairment?

The ICD-10 code for mild cognitive impairment is G31.84, used when the condition is diagnosed without a known underlying cause.

How do you code mild cognitive impairment with Parkinson's?

For MCI due to Parkinson's, use G20 for Parkinson's disease and F02.81 for dementia in Parkinson's with behavioral disturbance.

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