R27 – Other lack of coordination
ICD-10-CM 2027 diagnosis code · Symptoms and signs involving the nervous and musculoskeletal systems
ICD-10-CM code
R27
- Code
R27(claims format:R27)- Description
- Other lack of coordination
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
- Block
- R25-R29 Symptoms and signs involving the nervous and musculoskeletal systems
Billable codes under R27
R27 is a header code and cannot be used on claims. Choose the most specific code:
- R27.0 – Ataxia, unspecifiedBillable
- R27.8 – Other lack of coordinationBillable
- R27.9 – Unspecified lack of coordinationBillable
Notes for R27
Frequently asked questions
What is ICD-10 code R27?
R27 is the ICD-10-CM code for other lack of coordination, in the block R25-R29 (Symptoms and signs involving the nervous and musculoskeletal systems).
Is R27 a billable code?
No. R27 is a header code with more specific child codes; report one of the billable codes listed above.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.