G90.2
BillableHorner's syndrome
Horner's syndrome
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Bernard(-Horner) syndrome
- Cervical sympathetic dystrophy or paralysis
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
Related Codes(9)
G90.0Idiopathic peripheral autonomic neuropathy
G90.1Familial dysautonomia [Riley-Day]
G90.3Multi-system degeneration of the autonomic nervous system
G90.4Autonomic dysreflexia
G90.5Complex regional pain syndrome I (CRPS I)
G90.8Other disorders of autonomic nervous system
G90.9Disorder of the autonomic nervous system, unspecified
G90.APostural orthostatic tachycardia syndrome [POTS]
G90.BLMNB1-related autosomal dominant leukodystrophy
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(92)
SNOMED CT
UMLS
- Bernard Horner syndromeC0019937
- Bernard SyndromeC0019937
- Bernard SyndromesC0019937
- Bernard's SyndromeC0019937
- Bernard's syndromeC0019937
- Bernard(-Horner) syndromeC0019937
- Bernard-Horner syndromeC0019937
- Bernards SyndromeC0019937
- Claude Bernard Horner SyndromeC0019937
- Claude Bernard-Horner SyndromeC0019937
- Horner SyndromeC0019937
- Horner syndromeC0019937
- Horner syndrome (disorder)C0019937
- Horner's SyndromeC0019937
- Horner's syndromeC0019937
- Horners SyndromeC0019937
- Ocular Ophthalmoplegia, SympatheticC0019937
- Ocular Ophthalmoplegias, SympatheticC0019937
- Ocular-Ophthalmoplegia, SympatheticC0019937
- Ocular-Ophthalmoplegias, SympatheticC0019937
- Oculosympathetic SyndromeC0019937
- Oculosympathetic SyndromesC0019937
- Oculosympathetic palsyC0019937
- Ophthalmoplegia, Sympathetic OcularC0019937
- Ophthalmoplegias, Sympathetic OcularC0019937
- Sympathetic Ocular OphthalmoplegiaC0019937
- Sympathetic Ocular OphthalmoplegiasC0019937
- Sympathetic Ocular-OphthalmoplegiaC0019937
- Sympathetic Ocular-OphthalmoplegiasC0019937
- Syndrome, BernardC0019937
- Syndrome, Bernard'sC0019937
- Syndrome, Claude Bernard-HornerC0019937
- Syndrome, HornerC0019937
- Syndrome, Horner'sC0019937
- Syndrome, OculosympatheticC0019937
- Syndromes, BernardC0019937
- Syndromes, OculosympatheticC0019937
- Von Passow syndromeC0019937
- bernard horner syndromeC0019937
- claude bernard-horner syndromeC0019937
- horner syndromeC0019937
- horner's syndromeC0019937
- horners syndromeC0019937
- sympathetic ophthalmoplegiaC0019937
- Cervical sympathetic dystrophy or paralysisC0865487
Clinical Terms
- Claude Bernard Horner Syndrome
- Sympathetic Ocular Ophthalmoplegias
- Syndrome, Bernard's
- bernard horner syndrome
- Ophthalmoplegias, Sympathetic Ocular
- Sympathetic Ocular-Ophthalmoplegias
- Syndrome, Horner's
- Horner syndrome (disorder)
- Syndrome, Bernard
- Acquired Horner syndrome
- Oculosympathetic palsy
- Bernard Syndrome
- Claude Bernard-Horner Syndrome
- Ocular-Ophthalmoplegia, Sympathetic
- Ocular Ophthalmoplegia, Sympathetic
- Congenital Horner syndrome
- Bernard(-Horner) syndrome
- Bernard-Horner syndrome
- Congenital Claude Bernard Horner syndrome
- sympathetic ophthalmoplegia
- Von Passow syndrome
- Ocular Ophthalmoplegias, Sympathetic
- Acquired right-sided Horner syndrome
- Acquired left-sided Horner syndrome
- Oculosympathetic Syndromes
- Ocular-Ophthalmoplegias, Sympathetic
- Bernard's syndrome
- Cervical sympathetic dystrophy or paralysis
- Syndromes, Oculosympathetic
- Horner syndrome
- Syndrome, Oculosympathetic
- Horners Syndrome
- Sympathetic Ocular Ophthalmoplegia
- Sympathetic Ocular-Ophthalmoplegia
- Syndromes, Bernard
- Syndrome, Claude Bernard-Horner
- Ophthalmoplegia, Sympathetic Ocular
- Syndrome, Horner
- Bernards Syndrome
- Bernard Syndromes
- Oculosympathetic Syndrome
Frequently Asked Questions
What is the ICD-10 code for horner's syndrome?
The ICD-10-CM code for horner's syndrome is G90.2. The full clinical description is "Horner's syndrome". G90.2 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code G90.2 mean?
ICD-10-CM code G90.2 represents “Horner's syndrome”. It is classified under Chapter 6: Diseases of the Nervous System and is a billable/specific code that can be used on a claim.
Is G90.2 a billable code?
Yes, G90.2 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is G90.2 in?
G90.2 is in Chapter 6: Diseases of the Nervous System (codes G00-G99).
What codes cannot be used with G90.2?
G90.2 has Excludes1 notes indicating codes that cannot be used together with it, including: dysfunction of the autonomic nervous system due to alcohol (G31.2).
What SNOMED CT codes does G90.2 map to?
G90.2 maps to 5 SNOMED CT concepts: 721537005, 789431002, 789430001, 770626007, 1281810006. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for G90.2?
G90.2 is linked to 2 UMLS Concept Unique Identifiers: C0019937, C0865487. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does G90.2 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like horner's syndrome affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of G90.2?
G90.2 maps to the ICD-11 code: 8D8A.1 (Horner syndrome).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.