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2020 ICD-10-CM Diagnosis Code I63.9

2016

2017

2018

2019

2020

Billable/Specific Code

I63.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2020 edition of ICD-10-CM I63.9 became effective on October 1, 2019.
This is the American ICD-10-CM version of I63.9 - other international versions of ICD-10 I63.9 may differ.

Applicable To

Type 2 Excludes

Type 2 Excludes Help

A type 2 excludes note represents "not included here". A type 2 excludes note indicates that the condition excluded is not part of the condition it is excluded from but a patient may have both conditions at the same time. When a type 2 excludes note appears under a code it is acceptable to use both the code (I63.9) and the excluded code together.

transient cerebral ischemic attacks and related syndromes (
ICD-10-CM Diagnosis Code G45
- G45 Transient cerebral ischemic attacks and relat...
  - G45.0 Vertebro-basilar artery syndrome
  - G45.1 Carotid artery syndrome (hemispheric)
  - G45.2 Multiple and bilateral precerebral artery syn...
  - G45.3 Amaurosis fugax
  - G45.4 Transient global amnesia
  - G45.8 Other transient cerebral ischemic attacks and...
  - G45.9 Transient cerebral ischemic attack, unspecifi...
G45.-)

The following code(s) above I63.9 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 I63.9:

I00-I99
2020 ICD-10-CM Range I00-I99
Diseases of the circulatory system
Type 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)
- systemic connective tissue disorders (M30-M36)
- transient cerebral ischemic attacks and related syndromes (G45.-)
Diseases of the circulatory system
I60-I69
2020 ICD-10-CM Range I60-I69
Cerebrovascular diseases
Type 1 Excludes
- traumatic intracranial hemorrhage (S06.-)
Use Additional
- code to identify presence of:
- alcohol abuse and dependence (F10.-)
- exposure to environmental tobacco smoke (Z77.22)
- history of tobacco dependence (Z87.891)
- hypertension (I10-I16)
- occupational exposure to environmental tobacco smoke (Z57.31)
- tobacco dependence (F17.-)
- tobacco use (Z72.0)
Cerebrovascular diseases
I63
ICD-10-CM Diagnosis Code I63
Includes
- occlusion and stenosis of cerebral and precerebral arteries, resulting in cerebral infarction
Type 2 Excludes
- sequelae of cerebral infarction (I69.3-)
Use Additional
- code, if applicable, to identify status post administration of tPA (rtPA) in a different facility within the last 24 hours prior to admission to current facility (Z92.82)
Cerebral infarction

Approximate Synonyms

Acute ischemic stroke
Acute ischemic stroke with coma
Acute lacunar stroke
Acute stroke, nonatherosclerotic
Acute thrombotic stroke
Basal ganglion infarct
Brain stem infarction
Cerebellar infarct
Cerebellar stroke
Cerebellar stroke syndrome
Cerebral vascular accident (stroke) <8>
Cerebrovascular accident
Cerebrovascular infarction during cardiac surgery
Infarction of basal ganglia
Infarction of brain stem
Infarction of medulla oblongata
Infarction of posterior cerebral circulation
Ischemic stroke
Ischemic stroke with coma
Ischemic stroke without coma
Lacunar infarction
Nonatherosclerotic cerebrovascular accident
Paralytic stroke
R.i.n.d. Syndrome
Reversible ischemic neurologic deficit syndrome
Stroke
Thalamic infarct
Thalamic infarction
Thrombotic stroke

Clinical Information

A disorder characterized by a sudden loss of sensory function due to an intracranial vascular event.
A group of pathological conditions characterized by sudden, non-convulsive loss of neurological function due to brain ischemia or intracranial hemorrhages. Stroke is classified by the type of tissue necrosis, such as the anatomic location, vasculature involved, etiology, age of the affected individual, and hemorrhagic vs. Non-hemorrhagic nature. (from Adams et al., Principles of Neurology, 6th ed, pp777-810)
A stroke is a medical emergency. Strokes happen when blood flow to your brain stops. Within minutes, brain cells begin to die. There are two kinds of stroke. The more common kind, called ischemic stroke, is caused by a blood clot that blocks or plugs a blood vessel in the brain. The other kind, called hemorrhagic stroke, is caused by a blood vessel that breaks and bleeds into the brain. "mini-strokes" or transient ischemic attacks (tias), occur when the blood supply to the brain is briefly interrupted.symptoms of stroke are
- sudden numbness or weakness of the face, arm or leg (especially on one side of the body)
- sudden confusion, trouble speaking or understanding speech
- sudden trouble seeing in one or both eyes
- sudden trouble walking, dizziness, loss of balance or coordination
- sudden severe headache with no known cause
if you have any of these symptoms, you must get to a hospital quickly to begin treatment. Acute stroke therapies try to stop a stroke while it is happening by quickly dissolving the blood clot or by stopping the bleeding. post-stroke rehabilitation helps individuals overcome disabilities that result from stroke damage. Drug therapy with blood thinners is the most common treatment for stroke.
A sudden loss of neurological function secondary to hemorrhage or ischemia in the brain parenchyma due to a vascular event. Infarction or hemorrhage may be demonstrated either directly by imaging, laboratory, or pathologic examination in patients with symptom duration less than 24 hours, or inferred by symptoms lasting greater than or equal to 24 hours (or fatal within 24 hours) that cannot be attributed to another cause. Diagnostic tests include ct scan, mri, angiography, and eeg to locate and evaluate the extent of the hemorrhagic or ischemic damage in the brain parenchyma, coagulation studies, complete blood count, comprehensive metabolic panel, and urinalysis.
An ischemic condition of the brain, producing a persistent focal neurological deficit in the area of distribution of the cerebral arteries.
In medicine, a loss of blood flow to part of the brain, which damages brain tissue. Strokes are caused by blood clots and broken blood vessels in the brain. Symptoms include dizziness, numbness, weakness on one side of the body, and problems with talking, writing, or understanding language. The risk of stroke is increased by high blood pressure, older age, smoking, diabetes, high cholesterol, heart disease, atherosclerosis (a build-up of fatty material and plaque inside the coronary arteries), and a family history of stroke.
Sudden neurologic impairment due to a cerebrovascular disorder, either an arterial occlusion or an intracranial hemorrhage.
The formation of an area of necrosis in the cerebrum caused by an insufficiency of arterial or venous blood flow. Infarcts of the cerebrum are generally classified by hemisphere (i.e., left vs. Right), lobe (e.g., frontal lobe infarction), arterial distribution (e.g., infarction, anterior cerebral artery), and etiology (e.g., embolic infarction).

ICD-10-CM I63.9 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):

023 Craniotomy with major device implant or acute complex cns pdx with mcc or chemotherapy implant or epilepsy with neurostimulator
024 Craniotomy with major device implant or acute complex cns pdx without mcc
061 Ischemic stroke, precerebral occlusion or transient ischemia with thrombolytic agent with mcc
062 Ischemic stroke, precerebral occlusion or transient ischemia with thrombolytic agent with cc
063 Ischemic stroke, precerebral occlusion or transient ischemia with thrombolytic agent without cc/mcc
064 Intracranial hemorrhage or cerebral infarction with mcc
065 Intracranial hemorrhage or cerebral infarction with cc or tpa in 24 hours
066 Intracranial hemorrhage or cerebral infarction without cc/mcc
791 Prematurity with major problems
793 Full term neonate with major problems

Convert I63.9 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

Diagnosis Index entries containing back-references to I63.9:

Accident
- cerebrovascular (embolic) (ischemic) (thrombotic) I63.9
- cerebral I63.9
- craniovascular I63.9
- vascular, brain I63.9
Deficit - see also Deficiency
- neurologic NEC R29.818
  ICD-10-CM Diagnosis Code R29.818
  Other symptoms and signs involving the nervous system
  - ischemic
    - reversible (RIND) I63.9
- prolonged reversible ischemic neurologic I63.9 (PRIND)
Infarct, infarction
PRIND I63.9 (Prolonged reversible ischemic neurologic deficit)
RIND I63.9 (reversible ischemic neurologic deficit)
Stroke (apoplectic) (brain) (embolic) (ischemic) (paralytic) (thrombotic) I63.9
- cryptogenic I63.9 - see also infarction, cerebral
- in evolution I63.9
- unspecified I63.9 (NOS)