DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Block · Chapter 18

R25-R29 Symptoms and signs involving the nervous and musculoskeletal systems (R25-R29)

Block R25-R29 groups 4 categories with 72 billable codes in FY2027.

Where it sits

  1. Chapter 18 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
  2. R25-R29 Symptoms and signs involving the nervous and musculoskeletal systems (R25-R29)

Neighbouring blocks

Categories
4
Billable codes
72
CC codes
3
MCC codes
0
HCC V28 codes
0
New FY2027
0

Categories in R25-R29

  • R25

    Abnormal involuntary movements

    Clonus → R25.8

    • 6 billable codes
  • R26

    Abnormalities of gait and mobility

    Dysbasia → R26.2

    • 6 billable codes
  • R27

    Other lack of coordination

    Asterixis → R27.8

    • 3 billable codes
  • R29

    Other symptoms and signs involving the nervous and musculoskeletal systems

    Reflex → R29.2

    • 57 billable codes
    • 3 CC

Index main terms

  • Abnormal, abnormality, abnormalities → R25, R29 (12 entries)
  • Gait abnormality → R26, R29 (9 entries)
  • Ataxia, ataxy, ataxic → R26, R27 (4 entries)
  • Paralysis, paralytic (complete) (incomplete) → R26, R29 (4 entries)
  • Symptoms NEC → R29 (4 entries)
  • Tetany (due to) → R29 (4 entries)
  • Cramp(s) → R25 (3 entries)
  • Disturbance(s) → R27, R29 (3 entries)
  • Lack of → R27 (3 entries)
  • Athetosis (acquired) → R25 (2 entries)
  • Disorder (of) → R29 (2 entries)
  • Imbalance → R26, R29 (2 entries)
  • Meningismus (infectional) (pneumococcal) → R29 (2 entries)
  • Syndrome → R29 (2 entries)
  • Akinesia → R29 (1 entry)

+57 more main terms; the search box finds them by word.

Block instructions

Notes that also apply

Chapter 18 instructions (Notes 9, Excludes2 4): printed on the chapter 18 page.