R27: Other lack of coordination
Codes under R27 (Other lack of coordination). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| R27.0 | Ataxia, unspecified | ✓ |
| R27.0 | Ataxia, unspecified | ✓ |
| R27.8 | Other lack of coordination | ✓ |
| R27.8 | Other lack of coordination | ✓ |
| R27.9 | Unspecified lack of coordination | ✓ |
| R27.9 | Unspecified lack of coordination | ✓ |
Frequently asked questions
What is ICD-10-CM code R27?
R27 is an ICD-10-CM category covering Other lack of coordination. It contains 6 more specific diagnosis codes, 6 of which are billable.
Is R27 a billable code?
No — R27 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example R27.0 — Ataxia, unspecified). 6 of the 6 codes under R27 are billable.
What codes fall under R27?
R27 includes R27.0, R27.0, R27.8, R27.8, R27.9, plus 1 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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