R29.90

Billable
ChapterR00–R99
Ranksubcategory
Official Description

Unspecified symptoms and signs involving the nervous system

Metadata & Insights
  • 2026 ICD-10-CM Edition - Effective October 1, 2025.
  • Billable/specific code (valid for reimbursement).
  • Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (R00-R99).
General instructions are available for the parent sections:

Clinical Hierarchy

CH18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
R25-R29Symptoms and signs involving the nervous and musculoskeletal systems (R25-R29)
R29Other symptoms and signs involving the nervous and musculoskeletal systems
R29.9Unspecified symptoms and signs involving the nervous and musculoskeletal systems
R29.90Unspecified symptoms and signs involving the nervous system

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to R29.90:

chapterCH18
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to R29.90. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

1 raw paths

MS-DRG Classification

2026 v43.1

Cross Reference

Find Procedures (ICD-10-PCS)

Find surgical and procedural codes related to Unspecified symptoms and signs involving the nervous system.

Search PCS Codes