R94.131 — Abnormal electromyogram [EMG]
Is R94.131 billable?
Yes — R94.131 is billable for FY2027. R94.131 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. R94.131 may be submitted for encounters from October 1, 2026 through September 30, 2027.
R94.131 at a glance
| Code | R94.131 |
|---|---|
| Description | Abnormal electromyogram [EMG] |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does R94.131 group to?
R94.131 sits in MDC 08 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 564Other Musculoskeletal System and Connective Tissue Diagnoses with MCCmedical
- 565Other Musculoskeletal System and Connective Tissue Diagnoses with CCmedical
- 566Other Musculoskeletal System and Connective Tissue Diagnoses without CC/MCCmedical
How is R94.131 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to R94.131. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Abnormal, abnormality, abnormalities › electromyogram [EMG]
Excludes1 — never code together
The conditions below can never be reported together with R94.131 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- electromyogram of eye (R94.113)
Excludes1 — never code together — inherited from R90-R94
The conditions below can never be reported together with R94.131 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- abnormal findings on antenatal screening of mother (O28.-)
- diagnostic abnormal findings classified elsewhere - see Alphabetical Index
Excludes2 — not included here — inherited from Chapter 18
The conditions below are not part of R94.131, but a patient may have both at the same time. When documentation supports it, R94.131 and the excluded code may both be reported.
How long has R94.131 existed?
R94.131 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.