Is R94.131 a billable ICD-10-CM code?

Yes. R94.131 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does R94.131 sit in the tabular list?

Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99), in the block Abnormal findings on diagnostic imaging and in function studies, without diagnosis (R90-R94).

What cannot be coded together with R94.131?

R94.131 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

R94.131

R94.131 — Abnormal electromyogram [EMG]

Billable / specific codeICD-10-CM

R94.131 is a billable, specific ICD-10-CM code for abnormal electromyogram [emg]. It is valid for submission on a claim.

Excludes1 — never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

electromyogram of eye (R94.113)

Risk adjustment

R94.131 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

R94.131 is named in 8 Medicare coverage policies — 8 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A54969Billing and Coding: Nerve Conduction Studies and Electromyography
A56619Billing and Coding: Nerve Conduction Studies and Electromyography
A56773Billing and Coding: Neurophysiology Evoked Potentials (NEPs)
A57204Billing and Coding: MRI and CT Scans of the Head and Neck

How R94.131 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to R94.131.

Abnormal, abnormality, abnormalities›electromyogram [EMG]

Related codes at this level

Codes that share R94.13. If R94.131 is not quite right, the correct code is usually one of these.

Questions about R94.131

Is R94.131 a billable ICD-10-CM code?: Yes. R94.131 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does R94.131 sit in the tabular list?: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99), in the block Abnormal findings on diagnostic imaging and in function studies, without diagnosis (R90-R94).
What cannot be coded together with R94.131?: R94.131 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.