P94.9 — Disorder of muscle tone of newborn, unspecified
Is P94.9 billable?
Yes, but P94.9 is an unspecified code. P94.9 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, P94.9 is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting P94.9 — the more specific alternatives are listed below.
P94.9 at a glance
| Code | P94.9 |
|---|---|
| Description | Disorder of muscle tone of newborn, unspecified |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does P94.9 group to?
P94.9 sits in MDC 15 and helps define the logic of 1 MS-DRG (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 794Neonate with Other Significant Problemsmedical
How is P94.9 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to P94.9. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Disorder › muscle › tone, newborn (of)
Excludes2 — not included here — inherited from Chapter 16
The conditions below are not part of P94.9, but a patient may have both at the same time. When documentation supports it, P94.9 and the excluded code may both be reported.
How long has P94.9 existed?
P94.9 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.