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ICD-10-CM Codes
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G00-G99
Diseases of the nervous system
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G89-G99
Other disorders of the nervous system
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G90-
Disorders of autonomic nervous system
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2021 ICD-10-CM Diagnosis Code G90.50
2021 ICD-10-CM Diagnosis Code G90.50
Complex regional pain syndrome I, unspecified
2016 2017 2018 2019 2020 2021 Billable/Specific Code
- G90.50 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2021 edition of ICD-10-CM G90.50 became effective on October 1, 2020.
- This is the American ICD-10-CM version of G90.50 - other international versions of ICD-10 G90.50 may differ.
The following code(s) above
G90.50 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
- Applicable To annotations, or
- Code Also annotations, or
- Code First annotations, or
- Excludes1 annotations, or
- Excludes2 annotations, or
- Includes annotations, or
- Note annotations, or
- Use Additional annotations
that may be applicable to
G90.50:
- G00-G99
2021 ICD-10-CM Range G00-G99
Diseases of the nervous systemType 2 Excludes- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- G90
ICD-10-CM Diagnosis Code G90
Disorders of autonomic nervous system
2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
Type 1 Excludes- dysfunction of the autonomic nervous system due to alcohol (G31.2)
- G90.5
ICD-10-CM Diagnosis Code G90.5
Complex regional pain syndrome I (CRPS I)
2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
Applicable To- Reflex sympathetic dystrophy
Type 1 Excludes- causalgia of lower limb (G57.7-)
- causalgia of upper limb (G56.4-)
- complex regional pain syndrome II of lower limb (G57.7-)
- complex regional pain syndrome II of upper limb (G56.4-)
- Complex regional pain syndrome (crps)
- Complex regional pain syndrome, type i
- Reflex sympathetic dystrophy
ICD-10-CM G90.50 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
- 073 Cranial and peripheral nerve disorders with mcc
- 074 Cranial and peripheral nerve disorders without mcc
Convert G90.50 to ICD-9-CM
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
ICD-10-CM Codes Adjacent To G90.50
G89.4 Chronic pain syndrome
G90 Disorders of autonomic nervous system
G90.0 Idiopathic peripheral autonomic neuropathy
G90.09 Other idiopathic peripheral autonomic neuropathy
G90.1 Familial dysautonomia [Riley-Day]
G90.3 Multi-system degeneration of the autonomic nervous system
G90.4 Autonomic dysreflexia
G90.5 Complex regional pain syndrome I (CRPS I)
G90.50
Complex regional pain syndrome I, unspecified
G90.51 Complex regional pain syndrome I of upper limb
G90.511 Complex regional pain syndrome I of right upper limb
G90.512 Complex regional pain syndrome I of left upper limb
G90.519 Complex regional pain syndrome I of unspecified upper limb
G90.52 Complex regional pain syndrome I of lower limb
G90.521 Complex regional pain syndrome I of right lower limb
G90.522 Complex regional pain syndrome I of left lower limb
G90.529 Complex regional pain syndrome I of unspecified lower limb
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
