Disorder of the autonomic nervous system, unspecified
Billable / specific
G90.9 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.
Excludes1
Not coded here — never report together with this code.
Excludes2
Not included here — may be reported together when both conditions exist.
- certain conditions originating in the perinatal period (P04-P96) (from G90)
- certain infectious and parasitic diseases (A00-B99) (from G90)
- complications of pregnancy, childbirth and the puerperium (O00-O9A) (from G90)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) (from G90)
- endocrine, nutritional and metabolic diseases (E00-E88) (from G90)
- injury, poisoning and certain other consequences of external causes (S00-T88) (from G90)
- neoplasms (C00-D49) (from G90)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from G90)
Also known as
- Degeneration, degenerative, nervous system, autonomic
- Disease, diseased, nervous system, autonomic
- Disease, diseased, nervous system, parasympathetic
- Disease, diseased, nervous system, sympathetic
- Disease, diseased, nervous system, vegetative
- Disease, diseased, peripheral, autonomic nervous system
- Disease, diseased, sympathetic nervous system
- Disorder, autonomic nervous system
- Disorder, nerve, sympathetic
- Disorder, nervous system, autonomic
- Disorder, nervous system, parasympathetic
- Disorder, nervous system, sympathetic
- Disorder, nervous system, vegetative
- Disturbance, sympathetic
- Neuropathy, neuropathic, peripheral, autonomic
Parent code
- G90Disorders of autonomic nervous systemHeader
Related codes
- G90.0Idiopathic peripheral autonomic neuropathyHeader
- G90.1Familial dysautonomia [Riley-Day]Billable
- G90.2Horner's syndromeBillable
- G90.3Multi-system degeneration of the autonomic nervous systemBillable
- G90.4Autonomic dysreflexiaBillable
- G90.5Complex regional pain syndrome I (CRPS I)Header
- G90.8Other disorders of autonomic nervous systemHeader
- G90.APostural orthostatic tachycardia syndrome [POTS]Billable
- G90.BLMNB1-related autosomal dominant leukodystrophyBillable