Seizure, NOS
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| ICD10 Diagnosis | |
| Dx: | Seizure, NOS |
| ICD10 code: | R56.88 |
| Pre-ICD10 counterpart: | Seizures |
| Charlson/ALERT Scale: | none |
| APACHE Como Component: | none |
| APACHE Acute Component: | 2019-0: Sz disorder |
| Start Date: | |
| Stop Date: | |
| External ICD10 Documentation | |
This diagnosis is a part of ICD10 collection.
Additional Info
- This is a wastebasket code for seizures in a person WITHOUT a prior known seizure disorder (epilepsy), that does not fall into one of these other categories
Includes
- This code includes isolated seizures that fit the above
- This code includes myoclonic seizures that fit the above
- Use Myoclonus for the symptom of myoclonus, but not for myoclonic seizure
- pseudo seizure, if of psychiatric origin combine with Dissociative disorder, also referred to as psychogenic non epileptic seizures
Symptom/Sign/Test Result not needed when cause known
- This code identifies a symptom or a sign, or an abnormal test result, not a disorder.
- So, you should code the cause of the symptom/sign/abnormal test, if known -- and if you do so, then also coding and combining the symptom/sign/abnormal test result to that cause is generally optional, but is guided by the following guidelines.
- Here are guidelines for whether or not to ALSO code the symptom/sign/abnormal test when you DO code the underlying cause:
- If it is a subjective symptom (e.g. pain) then coding it is optional
- When it is a physical exam finding (e.g. abdominal tenderness) then coding it is generally optional
- An exception is when the symptom/sign/abnormal testis so severe that all by itself it mandates hospitalization and/or a procedure -- a good example is a patient who has Wegener's granulomatosis is admitted due with Hemoptysis. Since hemoptysis is a physical finding that fits this description of "severe" it should be coded, and combined with Wegener's.
- When it is an abnormal laboratory finding which in and of itself has relevance (e.g. hyperkalemia, hypoalbuminemia) then USUALLY code it
- You don't need to code the abnormal lab finding is when it is actually a major component of the underlying cause --- example is when a person presents with an acute MI, there is no need to code the abnormal troponin as Abnormal blood chemistry NOS
- The trickiest of these guidelines is for abnormal radiologic tests
- When the abnormal test is fully explained by the underlying diagnosis/diagnoses (e.g. pneumonia as cause of abnormal chest imaging, or a skull fracture with an intracranial hemorrhage both identified by an abnormal head CT) then coding the abnormal imaging result is optional
- But remember there are some rare things for which the abnormal imaging result IS part of coding the entity, for example we code retroperitoneal hemorrhage by the combination of Hemorrhage, NOS and Retroperitoneal area, diagnostic imaging, abnormal
- Sometimes there may be multiple symptom/sign/test result that might or might NOT be related to each other by virtue of having the same underlying cause. Since in the absence of KNOWING that cause, such assumptions may well be incorrect, do NOT combine them together if you are not certain they actually have the same underlying cause.
Repeated events
If this happens repeatedly during the same ward or unit stay, only code it the first time it happens, regardless of whether it is an Admit Diagnosis or Acquired Diagnosis, rather than each time it happens. See ICD10 codes only coded the first time for other diagnoses coded this way.
| Example: |
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Alternate ICD10s to consider coding instead or in addition
- Brain,function test, abnormal
- Seizure, febrile (febrile seizure)
- Epilepsy, or seizure in patient with known epilepsy, any type incl myoclonic
- Status epilepticus (any seizure type)
- Eclampsia (seizures must occur)
- Involuntary movements, NOS
- Alcohol withdrawal
- Dissociative disorder (conversion disorder)
- Hypomagnesemia, severe or symptomatic
- Hyponatremia / hypoosmolarity, severe or symptomatic
- Meningitis, fungal
- Meningitis, bacterial, NOS
Candidate Combined ICD10 codes
- Heatstroke or sunstroke
- Head NOS, wound/injury/trauma
- Head, joints or ligaments, dislocation/sprain/strain, injury/trauma
- Head, open wound, injury/trauma
- Head, superficial injury/trauma (minor, contusion)
- Brain injury, diffuse (TBI), injury/trauma
- Brain injury, focal (TBI), injury/trauma
- Brain, cerebral edema, injury/trauma
- Brain, concussion, injury/trauma
- Brain/intracranial injury NOS, injury/trauma
- Intracranial hemorrhage, injury/trauma
- Lightning injury
- Multiple trauma
- Skull, fracture, injury/trauma
- Spinal cord compression
- Spinal cord, cervical (C-spine), injury/trauma
- Spinal cord, lumbar (L-spine), injury/trauma
- Spinal cord, thoracic (T-spine), injury/trauma
- Subarachnoid hemorrhage, injury/trauma
- Subdural hemorrhage/hematoma, injury/trauma
- Anoxic brain injury, NOS
- Central nervous system NOS, benign neoplasm
- Central nervous system NOS, primary malignancy
- Cerebral edema
- Cerebral infarction/stroke due to embolism
- Cerebral infarction/stroke, NOS
- Creutzfeldt-Jakob disease
- Degenerative nervous system disorder, NOS
- Demyelinating disease of central nervous system, NOS
- Encephalitis, meningoencephalitis, myelitis, encephalomyelitis, bacterial
- Encephalitis, meningoencephalitis, myelitis, encephalomyelitis, infectious NOS
- Encephalitis, meningoencephalitis, myelitis, encephalomyelitis, noninfectious
- Encephalitis, meningoencephalitis, myelitis, encephalomyelitis, viral
- Encephalopathy, NOS
- Encephalopathy, septic or metabolic
- Encephalopathy, toxic
- Hemorrhage, intracerebral/intracranial, nontraumatic (ICH, hemorrhagic stroke)
- Hemorrhage, subarachnoid or ruptured cerebral aneurysm
- Intracranial hemorrhage, injury/trauma
- Malignant carcinoid tumor
- Meninges, benign neoplasm
- Meninges, primary malignancy
- Meningitis, bacterial, NOS
- Meningitis, fungal
- Meningitis, infectious NOS
- Meningitis, viral - incl West Nile
- Myoclonus
- Nerve root or nerve plexus disorder
- Nerve root, cervical spinal cord, injury/trauma
- Nerve root, lumbar spinal cord, injury/trauma
- Nerve root, thoracic spinal cord, injury/trauma
- Nerve root or nerve plexus disorder
- Nerve root, cervical spinal cord, injury/trauma
- Nerve root, lumbar spinal cord, injury/trauma
- Nerve root, thoracic spinal cord, injury/trauma
- Persistent vegetative state
- Subarachnoid hemorrhage, injury/trauma
- Subdural hemorrhage/hematoma, injury/trauma
Related CCI Codes
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