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ICD-10 diagnosis code

R94.1 Abnormal results of function studies of peripheral nervous system and special senses

This page in Swedish

R94.1 is the ICD-10 code for Abnormal results of function studies of peripheral nervous system and special senses. It is a four-character subcategory of R94 (Abnormal results of function studies), the most specific level in the WHO edition. It belongs to the block R90–R94 (Abnormal findings on diagnostic imaging and in function studies, without diagnosis) in Chapter XVIII, Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.

Code type
Subcategory (4 characters)
Chapter
XVIII · R00–R99
Classification
WHO ICD-10, 2019 version

What R94.1 includes

Conditions and terms that are coded here.

  • Abnormal:
    • electromyogram [EMG]
    • electro-oculogram [EOG]
    • electroretinogram [ERG]
    • response to nerve stimulation
    • visually evoked potential [VEP]

R94.1 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

SwedenICD-10-SE

R94.1Onormala resultat av funktionsundersökningar av perifera nervsystemet och speciella sinnesorgan

NorwayICD-10-NO

R94.1Unormalt resultat ved funksjonsstudie av det perifere nervesystemet

DenmarkICD-10-DK

DR941Abnormt fund ved funktionsundersøgelse af det perifere nervesystem og sanseorganer

FinlandICD-10-FI

R94.1Ääreishermojen ja aistinten toimintatutkimusten poikkeavat tulokset

GermanyICD-10-GM

R94.1Abnorme Ergebnisse von Funktionsprüfungen des peripheren Nervensystems und bestimmter Sinnesorgane

FranceICD-10-FR

R94.1Résultats anormaux d'explorations fonctionnelles du système nerveux périphérique

NetherlandsICD-10-NL

R94.1afwijkende uitslagen van functieonderzoek van perifeer zenuwstelsel en

United StatesICD-10-CM

Listed through more specific codes:

  • R94.110Abnormal electro-oculogram [EOG]
  • R94.111Abnormal electroretinogram [ERG]
  • R94.112Abnormal visually evoked potential [VEP]
  • R94.113Abnormal oculomotor study
  • R94.118Abnormal results of other function studies of eye
  • R94.120Abnormal auditory function study
  • R94.121Abnormal vestibular function study
  • R94.128Abnormal results of other function studies of ear and other special senses
  • and 3 more national subcodes

Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.

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