G45.9
BillableTransient cerebral ischemic attack, unspecified
Transient cerebral ischemic attack, unspecified
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Spasm of cerebral artery
- TIA
- Transient cerebral ischemia NOS
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 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)
Also Known As / Clinical Terms
SNOMED CT
- Arterial spasm3750006
- Arteriospasm3750006
- Spasm of artery3750006
- Angiospasm71772004
- Blood vessel spasm71772004
- Vascular spasm71772004
- Vasospasm71772004
- Cerebral arterial spasm73173006
- Spasm of cerebral arteries73173006
- Intermittent cerebral ischaemia195206000
- Intermittent cerebral ischemia195206000
- TIA - transient ischaemic attack266257000
- TIA - transient ischemic attack266257000
- Temporary cerebral vascular dysfunction266257000
- Transient cerebral ischaemia266257000
- Transient cerebral ischemia266257000
- Transient ischaemic attack266257000
- Transient ischemic attack266257000
- Stroke/transient ischaemic attack monitoring first letter415628004
- Stroke/transient ischemic attack monitoring first letter415628004
- Stroke/transient ischaemic attack monitoring second letter415629007
- Stroke/transient ischemic attack monitoring second letter415629007
- Stroke/transient ischaemic attack monitoring status415630002
- Stroke/transient ischemic attack monitoring status415630002
- Stroke/transient ischaemic attack monitoring third letter415631003
- Stroke/transient ischemic attack monitoring third letter415631003
- Stroke/transient ischaemic attack monitoring verbal invitation417059002
- Stroke/transient ischemic attack monitoring verbal invitation417059002
- Stroke/transient ischaemic attack monitoring invitation417540008
- Stroke/transient ischemic attack monitoring invitation417540008
- Transient cerebral ischaemia due to atrial fibrillation426814001
- Transient cerebral ischemia due to atrial fibrillation426814001
- Recurrent transient cerebral ischaemic attack444172003
- Recurrent transient cerebral ischemic attack444172003
- Transient ischaemic attack due to embolism710575003
- Transient ischemic attack due to embolism710575003
- Transient ischaemic attack co-occurrent with subarachnoid haemorrhage1208871009
- Transient ischemic attack co-occurrent with subarachnoid hemorrhage1208871009
UMLS
- Angiospasm, CerebralC0265110
- Angiospasms, CerebralC0265110
- Artery Spasm, CerebralC0265110
- Artery Spasms, CerebralC0265110
- Cerebral AngiospasmC0265110
- Cerebral AngiospasmsC0265110
- Cerebral Artery SpasmC0265110
- Cerebral Artery SpasmsC0265110
- Cerebral VasospasmC0265110
- Cerebral VasospasmsC0265110
- Cerebral arterial spasmC0265110
- Cerebral arteriospasmC0265110
- Cerebrovascular SpasmC0265110
- Cerebrovascular SpasmsC0265110
- Cerebrovascular spasmC0265110
- Spasm cerebrovascularC0265110
- Spasm of cerebral arteriesC0265110
- Spasm of cerebral arteries (disorder)C0265110
- Spasm of cerebral arteryC0265110
- Spasm, Cerebral ArteryC0265110
- Spasm, CerebrovascularC0265110
- Spasms, Cerebral ArteryC0265110
- Spasms, CerebrovascularC0265110
- Vasospasm cerebralC0265110
- Vasospasm, CerebralC0265110
- Vasospasms, CerebralC0265110
- cerebral vasospasmC0265110
- cerebrovascular spasmC0265110
- Attack, Transient IschemicC0007787
- Attacks, Transient IschemicC0007787
- Brain TIAC0007787
- Ischemic Attack, TransientC0007787
- Ischemic Attacks, TransientC0007787
- Mini strokeC0007787
- TIAC0007787
- TIA (Transient Ischemic Attack)C0007787
- TIA - transient ischaemic attackC0007787
- TIA - transient ischemic attackC0007787
- TIA, BrainC0007787
- TIAs (Transient Ischemic Attack)C0007787
- Temporary cerebral vascular dysfunctionC0007787
- Transient Ischemic AttackC0007787
- Transient Ischemic AttacksC0007787
- Transient cerebral ischaemiaC0007787
- Transient cerebral ischemiaC0007787
- Transient cerebral ischemic attack, unspecifiedC0007787
- Transient ischaemic attackC0007787
- Transient ischaemic attacksC0007787
- Transient ischemic attackC0007787
- Transient ischemic attack (disorder)C0007787
- Transient ischemic attacksC0007787
- Transient ischemic attacks (TIA)C0007787
- Transient ischemic attacks (TIAs)C0007787
- attack ischemic transientC0007787
- attacks ischemic transientC0007787
- brain tiaC0007787
- ischemic attack transientC0007787
- tia brainC0007787
- transient cerebral ischemiaC0007787
- transient ischaemic attackC0007787
- transient ischaemic attacksC0007787
- transient ischemic attackC0007787
- transient ischemic attack (TIA)C0007787
- transient ischemic attacksC0007787
- Cerebral Ischemia, TransientC0917805
- Cerebral Ischemias, TransientC0917805
- Ischemia, Transient CerebralC0917805
- Ischemias, Transient CerebralC0917805
- Mini-StrokeC0917805
- Mini-strokeC0917805
- Transient Cerebral IschemiaC0917805
- Transient Cerebral IschemiasC0917805
- Transient cerebral ischemia NOSC0917805
- Unspecified transient cerebral ischaemiaC0917805
- Unspecified transient cerebral ischemiaC0917805
- intermittent cerebral ischemiaC0917805
Frequently Asked Questions
What is ICD-10 code G45.9?
ICD-10-CM code G45.9 represents "Transient cerebral ischemic attack, unspecified". It is a billable/specific code that can be used on a claim.
Is G45.9 a billable code?
Yes, G45.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is G45.9 in?
G45.9 is in Chapter 6: Diseases of the Nervous System (codes G00-G99).
What codes cannot be used with G45.9?
G45.9 has Excludes1 notes indicating codes that cannot be used together with it, including: neonatal cerebral ischemia (P91.0); transient retinal artery occlusion (H34.0-).
What SNOMED CT codes does G45.9 map to?
G45.9 maps to 15 SNOMED CT concepts: 71772004, 3750006, 73173006, 195206000, 444172003, and 10 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for G45.9?
G45.9 is linked to 3 UMLS Concept Unique Identifiers: C0265110, C0007787, C0917805. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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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.