DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

R25 Abnormal involuntary movements

  • Header · not billable

R25 is not billable. The category heads 6 billable codes in FY2027: the 6 codes directly below it.

Index → code

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)
  3. R25 Abnormal involuntary movements
Billable codes
6
Subdivisions
6
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
29

Codes in R25

  1. R25.0
    Abnormal head movements
    Billable
  2. R25.1
    Tremor, unspecified
    Billable
    Excludes1 4

    Excludes1

    • chorea NOS (G25.5) G25.5
    • essential tremor (G25.0) G25.0
    • hysterical tremor (F44.4) F44.4
    • intention tremor (G25.2) G25.2
  3. R25.2
    Cramp and spasm
    Billable
    Excludes2 5

    Excludes2

    • carpopedal spasm (R29.0) R29.0
    • charley-horse (M62.831) M62.831
    • infantile spasms (G40.4-) G40.4
    • muscle spasm of back (M62.830) M62.830
    • muscle spasm of calf (M62.831) M62.831
  4. R25.3
    Fasciculation
    Billable
    Inclusion terms 1

    Inclusion terms

    • Twitching NOS
  5. R25.8
    Other abnormal involuntary movements
    Billable
  6. R25.9
    Unspecified abnormal involuntary movements
    Billable

Sources of each column.

Instructions

At R25

Excludes1

  • specific movement disorders (G20-G26) G20 G26
  • stereotyped movement disorders (F98.4) F98.4
  • tic disorders (F95.-) F95

Notes that also apply

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

Index entries

  • Hemitremor → R25.1
  • Tremor(s) → R25.1
  • Cramp(s) → R25.2
  • Hemispasm (facial) → R25.2
  • Spasm(s), spastic, spasticity → R25.2
  • Trismus → R25.2
  • Fasciculation → R25.3
  • Twitching → R25.3
  • Athetosis (acquired) → R25.8
  • Bradykinesia → R25.8
  • Clonus → R25.8
  • Dystonic movements → R25.8
  • Hemiathetosis → R25.8
  • Movements, dystonic → R25.8
  • Involuntary movement, abnormal → R25.9
  • Abnormal, abnormality, abnormalitieshead movement → R25.0
  • Cramp(s)limb (lower) (upper) NEC → R25.2
  • Cramp(s)muscle (limb) (general) → R25.2
  • Athetosis (acquired)unilateral → R25.8
  • Convulsions (idiopathic)reflex → R25.8
  • Salaamtic → R25.8
  • Tic (disorder)salaam → R25.8
  • Abnormal, abnormality, abnormalitiesmovement (disorder)head → R25.0
  • Abnormal, abnormality, abnormalitiesmovement (disorder)involuntary → R25.9
  • Abnormal, abnormality, abnormalitiesmovement (disorder)involuntaryof head → R25.0
  • Abnormal, abnormality, abnormalitiesmovement (disorder)involuntarytremor → R25.1
  • Abnormal, abnormality, abnormalitiesmovement (disorder)involuntaryspasm → R25.2
  • Abnormal, abnormality, abnormalitiesmovement (disorder)involuntaryfasciculation → R25.3
  • Abnormal, abnormality, abnormalitiesmovement (disorder)involuntaryspecified type NEC → R25.8

NCHS Alphabetic Index. Index first, then the Tabular List.

Hierarchy