Chapter XVIII

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

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

R25 Abnormal involuntary movements
Excludes: specific movement disorders ( G20-G26 )
stereotyped movement disorders ( F98.4 )
tic disorders ( F95.- )
R25.0 Abnormal head movements
R25.1 Tremor, unspecified
Excludes: chorea NOS ( G25.5 )
tremor:
· essential ( G25.0 )
· hysterical ( F44.4 )
· intention ( G25.2 )
R25.2 Cramp and spasm
Excludes: carpopedal spasm ( R29.0 )
infantile spasms ( G40.4 )
R25.3 Fasciculation
Twitching NOS
R25.8 Other and unspecified abnormal involuntary movements

R26 Abnormalities of gait and mobility
Excludes: ataxia:
· NOS ( R27.0 )
· hereditary ( G11.- )
· locomotor (syphilitic) ( A52.1 )
immobility syndrome (paraplegic) ( M62.3 )
R26.0 Ataxic gait
Staggering gait
R26.1 Paralytic gait
Spastic gait
R26.2 Difficulty in walking, not elsewhere classified
R26.8 Other and unspecified abnormalities of gait and mobility
Unsteadiness on feet NOS

R27 Other lack of coordination
Excludes: ataxic gait ( R26.0 )
hereditary ataxia ( G11.- )
vertigo NOS ( R42 )
R27.0 Ataxia, unspecified
R27.8 Other and unspecified lack of coordination

R29 Other symptoms and signs involving the nervous and musculoskeletal systems
R29.0 Tetany
Carpopedal spasm
Excludes: tetany:
· hysterical ( F44.5 )
· neonatal ( P71.3 )
· parathyroid ( E20.9 )
· post-thyroidectomy ( E89.2 )
R29.1 Meningismus
R29.2 Abnormal reflex
Excludes: abnormal pupillary reflex ( H57.0 )
hyperactive gag reflex ( J39.2 )
vasovagal reaction or syncope ( R55 )
R29.3 Abnormal posture
R29.4 Clicking hip
Excludes: congenital deformities of hip ( Q65.- )
R29.6 Tendency to fall, not elsewhere classified
Includes: Tendency to fall because of old age or other unclear health problems
Excludes: accidents ( X59.- )
difficulty in walking ( R26.2 )
dizziness and giddiness ( R42 )
falls causing injury ( W00-W19 )
falls due to diseases classified elsewhere
syncope and collapse ( R55 )
R29.8 Other and unspecified symptoms and signs involving the nervous and musculoskeletal systems


Processed on 11/12/2006 M.S. Source: World Health Organization © Copyright WHO/DIMDI 1994/2006