G90.A
ICD-10BillablePostural orthostatic tachycardia syndrome [POTS]
Official ICD-10-CM descriptor (FY2026)
Postural orthostatic tachycardia syndrome [POTS]
G90.A is valid for submission on a claim — CMS flags it as a billable, specific code.
Inclusion terms
- Chronic orthostatic intolerance
- Postural tachycardia syndrome
Related codes in G90
- G90.0Idiopathic peripheral autonomic neuropathycategory
- G90.1Familial dysautonomia [Riley-Day]
- G90.2Horner's syndrome
- G90.3Multi-system degeneration of the autonomic nervous system
- G90.4Autonomic dysreflexia
- G90.5Complex regional pain syndrome I (CRPS I)category
- G90.8Other disorders of autonomic nervous systemcategory
- G90.9Disorder of the autonomic nervous system, unspecified
- G90.BLMNB1-related autosomal dominant leukodystrophy
Where this code sits
- Parent code
- G90
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.