Symptoms and signs involving the nervous and musculoskeletal systems (R25-R29) ICD-10-CM
The R25–R29 section covers symptoms and signs involving the nervous and musculoskeletal systems with 87 ICD-10-CM diagnosis codes, of which 72 are billable in fiscal year 2026. The section is organized into the 4 code ranges listed below.
Code Ranges in This Section 4 ranges · 87 codes
The info icon previews the code ranges inside each row and its instructional notations from the official Tabular List.
About the R25–R29 Code Range
ICD-10 codes R25-R29 cover various symptoms and signs involving the nervous and musculoskeletal systems, such as abnormal involuntary movements, gait disturbances, coordination issues, and other neurological and musculoskeletal symptoms. These codes help document conditions like tremors, cramps, abnormal reflexes, and difficulties with walking or posture.
This range includes codes for abnormal involuntary movements (R25), which address tremors, spasms, and fasciculations; for example, R25.1 is used for unspecified tremors, a term encompassing symptoms like “trembles” or “massive tremor.” Gait and mobility abnormalities fall under R26, covering ataxic, paralytic, and unspecified walking difficulties, including “difficulty walking uphill” or “unsteadiness on feet” (R26.81). The category R27 addresses lack of coordination, such as ataxia (R27.0) and dyspraxia, which involve impaired balance and movement control. Other signs including tetany, meningismus, abnormal reflexes, and abnormal postures are found in R29, with specific codes like R29.0 for tetany and R29.2 for abnormal reflexes such as brisk tendon reflex or absence of pupillary response. The National Institutes of Health Stroke Scale scores (R29.7x) quantify neurological deficit severity after stroke. This chapter is essential for coding diverse neurologic and musculoskeletal signs that don’t fit into specific diagnoses but are crucial for clinical evaluation.
Questions About This Page
How many codes are in the R25-R29 range?
The R25-R29 range contains 87 ICD-10-CM diagnosis codes in FY 2026. 72 of them are billable, and the rest are category headers that organize the section.
What conditions does R25-R29 cover?
The range covers symptoms and signs involving the nervous and musculoskeletal systems. The code ranges listed above break it into groups of related conditions, and each one links to its own page with the full code list.
Related References
Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.