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ICD-10 diagnosis code

H49.2 Sixth [abducent] nerve palsy

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H49.2 is the ICD-10 code for Sixth [abducent] nerve palsy. It is a four-character subcategory of H49 (Paralytic strabismus), the most specific level in the WHO edition. It belongs to the block H49–H52 (Disorders of ocular muscles, binocular movement, accommodation and refraction) in Chapter VII, Diseases of the eye and adnexa.

Code type
Subcategory (4 characters)
Chapter
VII · H00–H59
Classification
WHO ICD-10, 2019 version

H49.2 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

H49.2Abducenspares

NorwayICD-10-NO

H49.2Lammelse av nervus abducens [6. hjernenerve]

DenmarkICD-10-DK

DH492Abducensparese

FinlandICD-10-FI

H49.2Loitontajahermon (kuudennen aivohermon) halvaus

GermanyICD-10-GM

H49.2Lähmung des N. abducens [VI. Hirnnerv]

FranceICD-10-FR

H49.2Paralysie du nerf moteur oculaire externe [VI]

NetherlandsICD-10-NL

H49.2verlamming van zesde hersenzenuw [n. abducens]

United StatesICD-10-CM

Listed through more specific codes:

  • H49.20Sixth [abducent] nerve palsy, unspecified eye
  • H49.21Sixth [abducent] nerve palsy, right eye
  • H49.22Sixth [abducent] nerve palsy, left eye
  • H49.23Sixth [abducent] nerve palsy, bilateral

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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