2012 ICD-9-CM Diagnosis Code 435.9 : Unspecified transient cerebral ischemia

recurring, transient episodes of neurologic dysfunction caused by cerebral ischemia; onset is usually sudden, often when the patient is active; the attack may last a few seconds to several hours; neurologic symptoms depend on the artery involved.
A brief attack (from a few minutes to an hour) of cerebral dysfunction of vascular origin, with no persistent neurological deficit.
Short description: Trans cereb ischemia NOS.
ICD-9-CM 435.9 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
You are viewing the 2012 version of ICD-9-CM 435.9.
More recent version(s) of ICD-9-CM 435.9: 2013.

435.9 Alternative Terminology

Applies To

Convert 435.9 to ICD-10-CM

ICD-9-CM Volume 2 Index entries containing back-references to 435.9:

Accident, accidental - see also condition
- cerebrovascular (current) (CVA) (see also Disease, cerebrovascular, acute) 434.91
  - aborted 434.91
  - embolic 434.11
  - healed or old V12.54
  - hemorrhagic - see Hemorrhage, brain
  - impending 435.9
  - ischemic 434.91
  - late effect - see Late effect(s) (of) cerebrovascular disease
  - postoperative 997.02
  - thrombotic 434.01
Alvarez syndrome (transient cerebral ischemia) 435.9
Angiospasm 443.9
- cerebral 435.9
Attack
- transient ischemic (TIA) 435.9
Claudication, intermittent 443.9
- cerebral (artery) (see also Ischemia, cerebral, transient) 435.9
Deficit
- neurologic NEC 781.99
  - due to
    - cerebrovascular lesion (see also Disease, cerebrovascular, acute) 436
      - late effect - see Late effect(s) (of) cerebrovascular disease
    - transient ischemic attack 435.9
  - ischemic
    - reversible (RIND) 434.91
      - history of (personal) V12.54
      - prolonged (PRIND) 434.91
        history of (personal) V12.54
Disease, diseased - see also Syndrome
- angiopastic, angiospasmodic 443.9
  - cerebral 435.9
    - with transient neurologic deficit 435.9
  - vein 459.89
Encephalomalacia (brain) (cerebellar) (cerebral) (cerebrospinal) (see also Softening, brain) 348.89
- due to
  - hemorrhage (see also Hemorrhage, brain) 431
  - recurrent spasm of artery 435.9
Impending
- cerebrovascular accident or attack 435.9
Insufficiency, insufficient
- arterial 447.1
  - basilar artery 435.0
  - carotid artery 435.8
  - cerebral 437.1
  - coronary (acute or subacute) 411.89
  - mesenteric 557.1
  - peripheral 443.9
  - precerebral 435.9
  - vertebral artery 435.1
  - vertebrobasilar 435.3
- cerebrovascular 437.9
  - with transient focal neurological signs and symptoms 435.9
  - acute 437.1
    - with transient focal neurological signs and symptoms 435.9
Ischemia, ischemic 459.9
- brain - see also Ischemia, cerebral
  - recurrent focal 435.9
- cerebral (chronic) (generalized) 437.1
  - arteriosclerotic 437.0
  - intermittent (with transient neurologic deficit) 435.9
  - newborn 779.2
  - puerperal, postpartum, childbirth 674.0
  - recurrent focal (with transient neurologic deficit) 435.9
  - transient (with transient neurologic deficit) 435.9
Little
- stroke syndrome 435.9
Spasm, spastic, spasticity (see also condition) 781.0
- artery NEC 443.9
  - basilar 435.0
  - carotid 435.8
  - cerebral 435.9
    - specified artery NEC 435.8
  - retinal (see also Occlusion, retinal, artery) 362.30
  - vertebral 435.1
  - vertebrobasilar 435.3
- cerebral (arteries) (vascular) 435.9
  - specified artery NEC 435.8
- cerebrovascular 435.9
Stroke 434.91
- progressive 435.9
Syndrome - see also Disease
- Alvarez (transient cerebral ischemia) 435.9
- stroke (see also Disease, cerebrovascular, acute) 436
  - little 435.9
TIA (transient ischemic attack) 435.9
- with transient neurologic deficit 435.9
- late effect - see Late effect(s) (of) cerebrovascular disease
Vasospasm 443.9
- cerebral (artery) 435.9
  - with transient neurologic deficit 435.9

435.8

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ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 435.9 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2012 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.

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