ICD-10-CM
G90.2 - Horner's syndrome
Code
G90.2 - Horner's syndrome
[Billable]
[Billable]
Includes
- Bernard(-Horner) syndrome
- Cervical sympathetic dystrophy or paralysis
Code Tree
G00-G99 - Diseases of the nervous system
- G89-G99 - Other disorders of the nervous system
- G90 - Disorders of autonomic nervous system
- G90.0 - Idiopathic peripheral autonomic neuropathy
- G90.1 - Familial dysautonomia [Riley-Day]
- G90.2 - Horner's syndrome
- G90.3 - Multi-system degeneration of the autonomic nervous system
- G90.4 - Autonomic dysreflexia
- G90.5 - Complex regional pain syndrome I (CRPS I)
- G90.8 - Other disorders of autonomic nervous system
- G90.9 - Disorder of the autonomic nervous system, unspecified
- G90.A - Postural orthostatic tachycardia syndrome [POTS]
- G90.B - LMNB1-related autosomal dominant leukodystrophy
- G90 - Disorders of autonomic nervous system
Citation
"G90.2 - Horner's Syndrome." ICD-10-CM, 10th ed., Centers for Medicare and Medicaid Services and the National Center for Health Statistics, 2026. www.unboundmedicine.com/icd/view/ICD-10-CM/883495/all/G90_2___Horner's_syndrome.
G90.2 - Horner's syndrome. ICD-10-CM. Centers for Medicare and Medicaid Services and the National Center for Health Statistics; 2026. https://www.unboundmedicine.com/icd/view/ICD-10-CM/883495/all/G90_2___Horner's_syndrome. Accessed July 13, 2026.
G90.2 - Horner's syndrome. (2026). In ICD-10-CM (10th ed.). Centers for Medicare and Medicaid Services and the National Center for Health Statistics. https://www.unboundmedicine.com/icd/view/ICD-10-CM/883495/all/G90_2___Horner's_syndrome
G90.2 - Horner's Syndrome [Internet]. In: ICD-10-CM. Centers for Medicare and Medicaid Services and the National Center for Health Statistics; 2026. [cited 2026 July 13]. Available from: https://www.unboundmedicine.com/icd/view/ICD-10-CM/883495/all/G90_2___Horner's_syndrome.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC
T1 - G90.2 - Horner's syndrome
ID - 883495
BT - ICD-10-CM
UR - https://www.unboundmedicine.com/icd/view/ICD-10-CM/883495/all/G90_2___Horner's_syndrome
PB - Centers for Medicare and Medicaid Services and the National Center for Health Statistics
ET - 10
DB - ICD-10-CM
DP - Unbound Medicine
ER -
