R29.2 – Abnormal reflex

ICD-10-CM 2027 diagnosis code · Symptoms and signs involving the nervous and musculoskeletal systems

Billable code

ICD-10-CM code R29.2

Code: R29.2 (claims format: R292)
Description: Abnormal reflex
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: R29

Notes for R29.2

Excludes2 (not included here):

abnormal pupillary reflex (H57.0)
hyperactive gag reflex (J39.2)
vasovagal reaction or syncope (R55)

Index terms for R29.2

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in R29

R29.0 – TetanyBillable
R29.1 – MeningismusBillable
R29.3 – Abnormal postureBillable
R29.4 – Clicking hipBillable
R29.5 – Transient paralysisBillable
R29.6 – Repeated fallsBillable
R29.7 – National Institutes of Health Stroke Scale (NIHSS) scoreHeader
R29.8 – Other symptoms and signs involving the nervous and musculoskeletal systemsHeader
R29.9 – Unspecified symptoms and signs involving the nervous and musculoskeletal systemsHeader

Frequently asked questions

What is ICD-10 code R29.2?

R29.2 is the ICD-10-CM code for abnormal reflex, in the block R25-R29 (Symptoms and signs involving the nervous and musculoskeletal systems).

Is R29.2 a billable code?

Yes. R29.2 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does R29.2 belong to?

It belongs to category R29 – Other symptoms and signs involving the nervous and musculoskeletal systems.

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.