R27.9 – Unspecified lack of coordination
ICD-10-CM 2027 diagnosis code · Symptoms and signs involving the nervous and musculoskeletal systems
- Code
R27.9(claims format:R279)- Description
- Unspecified lack of coordination
- Billable
- Yes – valid for HIPAA-covered transactions
- 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
- Parent codes
- R27
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
R27 – Other lack of coordination
Index terms for R27.9
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in R27
- R27.0 – Ataxia, unspecifiedBillable
- R27.8 – Other lack of coordinationBillable
Frequently asked questions
What is ICD-10 code R27.9?
R27.9 is the ICD-10-CM code for unspecified lack of coordination, in the block R25-R29 (Symptoms and signs involving the nervous and musculoskeletal systems).
Is R27.9 a billable code?
Yes. R27.9 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does R27.9 belong to?
It belongs to category R27 – Other lack of coordination.
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.