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ICD-10-CM Code for Mild cognitive impairment of uncertain or unknown etiology G31.84

ICD-10 code G31.84 for Mild cognitive impairment of uncertain or unknown etiology is a medical classification as listed by WHO under the range - Diseases of the nervous system .

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Official Long Descriptor

Mild cognitive impairment of uncertain or unknown etiology
Mild cognitive disorder NOS
Mild neurocognitive disorder of uncertain or unknown etiology
Use additional code to identify presence of:
alcohol abuse and dependence (F10.-)
exposure to environmental tobacco smoke (Z77.22)
history of tobacco dependence (Z87.891)
hypertension (I10-I1A)
occupational exposure to environmental tobacco smoke (Z57.31)
tobacco dependence (F17.-)
tobacco use (Z72.0)
Excludes1: age related cognitive decline (R41.81)
altered mental status (R41.82)
cerebral degeneration (G31.9)
cerebrovascular diseases (I60-I69)
change in mental status (R41.82)
cognitive deficits following (sequelae of) cerebral hemorrhage or infarction (I69.01-, I69.11-, I69.21-, I69.31-, I69.81-, I69.91-)
cognitive impairment due to intracranial or head injury (S06.-)
dementia (F01.-, F02.-, F03.-)
mild neurocognitive disorder due to a known physiological condition (F06.7-)
neurologic neglect syndrome (R41.4)
personality change, nonpsychotic (F68.8)

G31

Excludes2: Reye's syndrome (G93.7)

Use additional code, if applicable, for codes G31.0-G31.83, G31.85-G31.9, to identify:
dementia with anxiety (F02.84, F02.A4, F02.B4, F02.C4)
dementia with behavioral disturbance (F02.81-, F02.A1-, F02.B1-, F02.C1-)
dementia with mood disturbance (F02.83, F02.A3, F02.B3, F02.C3)
dementia with psychotic disturbance (F02.82, F02.A2, F02.B2, F02.C2)
dementia without behavioral disturbance (F02.80, F02.A0, F02.B0, F02.C0)
mild neurocognitive disorder due to known physiological condition (F06.7-)

Additional/Related Information

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Get crucial instructions for accurate ICD-10-CM G31.84 coding with all applicable Excludes 1 and Excludes 2 notes from the section level conveniently shown with each code.
This section shows you chapter-specific coding guidelines to increase your understanding and correct usage of the target ICD-10-CM Volume 1 code.

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Multiple Sclerosis - G35 not valid primary diagnosis?
We are also getting denials for G31.9 as a primary code...HELP!!!!... [ Read More ]
Mild cognitive impairment
Hello everyone, For a documented diagnosis of mild cognitive impairment, G31.84 it has a guideline to code also for dementia with or without behavioral disturbance. Is this only if the provider specif... [ Read More ]
NEUROPSYCH MEDICARE LCD DIAGNOSIS ISSUE
Hello all, I am looking for some help with Neuropsych testing codes that are being denied not medically necessary by our MAC which is WPS in Michigan. The LCD doesn't state any specific DX Codes for ... [ Read More ]
Allan Herndon Dudley Syndrome
[QUOTE="Munzueta, post: 458261, member: 244568"] This one is tricky, to my understanding there is no current specific code for this syndrome. Is a brain developmental disorder, best codes I could find... [ Read More ]
Allan Herndon Dudley Syndrome
This one is tricky, to my understanding there is no current specific code for this syndrome. Is a brain developmental disorder, best codes I could find were G31.89 - Other specified degenerative dise... [ Read More ]
Psychology Services
First, check to make sure G31.84 is, in fact, the best dx for the patient at the time of this visit. If it is, I would consult BCBS's provider manual to see if they have a policy excluding coverage fo... [ Read More ]
Psychology Services
Hello All! If Medicare pays a claim for Psychology services but the secondary who is BCBS denies the claim due to the dx code G31.84 not considered a mental health code, and this is the only. Is ther... [ Read More ]
Hospice Primary Diagnosis Code
[b]Terminal/Primary diagnosis[/b] Can senile degeneration of the brain (G31.1) be a terminal/primary dx for Hospice Medicare?... [ Read More ]
G31.84 Mild Cognitive disorder use additional code error alzheimer's disease dementia excludes 1 mci
I contacted AAPC back in August about the incorrect information included as reference under ICD-10 code G31.84. The error revolves around the use of additional ICD-10 codes F02.80 and F02.81. Both ICD... [ Read More ]
Dementia and Parkinson's
[b]Sequencing Parkinson's w/dementia; Lewybodies[/b] [QUOTE="mitchellde, post: 428654, member: 30657"]G81 codes need an F02 code added on and G81.83 has an exclude 1 note for G20 and G21, indicating ... [ Read More ]
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