Valid for Submission
G04.91 is a billable diagnosis code used to specify a medical diagnosis of myelitis, unspecified. The code G04.91 is valid during the fiscal year 2022 from October 01, 2021 through September 30, 2022 for the submission of HIPAA-covered transactions.
The ICD-10-CM code G04.91 might also be used to specify conditions or terms like acute ascending myelitis, encephalitis, myelitis and encephalomyelitis, infection causing myelitis, myelitis, myelitis caused by bacterium , myelitis caused by virus, etc.
Unspecified diagnosis codes like G04.91 are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.
Index to Diseases and Injuries
The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code G04.91 are found in the index:
- - Infection, infected, infective (opportunistic) - B99.9
- - spinal cord NOS - See Also: Myelitis; - G04.91
- - Myelitis (acute) (ascending) (childhood) (chronic) (descending) (diffuse) (disseminated) (idiopathic) (pressure) (progressive) (spinal cord) (subacute) - See Also: Encephalitis; - G04.91
- - Myeloradiculitis - G04.91
The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:
- Acute ascending myelitis
- Encephalitis, myelitis and encephalomyelitis
- Infection causing myelitis
- Myelitis caused by bacterium
- Myelitis caused by virus
- MYELITIS-. inflammation of the spinal cord. relatively common etiologies include infections; autoimmune diseases; spinal cord; and ischemia see also spinal cord vascular diseases. clinical features generally include weakness sensory loss localized pain incontinence and other signs of autonomic dysfunction.
- MYELITIS TRANSVERSE-. inflammation of a transverse portion of the spinal cord characterized by acute or subacute segmental demyelination or necrosis. the condition may occur sporadically follow an infection or vaccination or present as a paraneoplastic syndrome see also encephalomyelitis acute disseminated. clinical manifestations include motor weakness sensory loss and incontinence. adams et al. principles of neurology 6th ed pp1242 6
- NEUROSCHISTOSOMIASIS-. schistosomiasis of the brain spinal cord or meninges caused by infections with trematodes of the genus schistosoma primarily schistosoma japonicum; schistosoma mansoni; and schistosoma haematobium in humans. s. japonicum infections of the nervous system may cause an acute meningoencephalitis or a chronic encephalopathy. s. mansoni and s. haematobium nervous system infections are associated with acute transverse myelitis involving the lower portions of the spinal cord. from joynt clinical neurology 1998 ch27 pp61 2
Convert G04.91 to ICD-9 Code
The General Equivalency Mapping (GEM) crosswalk indicates an approximate mapping between the ICD-10 code G04.91 its ICD-9 equivalent. The approximate mapping means there is not an exact match between the ICD-10 code and the ICD-9 code and the mapped code is not a precise representation of the original code.
Information for Patients
Spinal Cord Diseases
Your spinal cord is a bundle of nerves that runs down the middle of your back. It carries signals back and forth between your body and your brain. It is protected by your vertebrae, which are the bone disks that make up your spine. If you have an accident that damages the vertebrae or other parts of the spine, this can also injure the spinal cord. Other spinal cord problems include
- Infections such as meningitis and polio
- Inflammatory diseases
- Autoimmune diseases
- Degenerative diseases such as amyotrophic lateral sclerosis and spinal muscular atrophy
Symptoms vary but might include pain, numbness, loss of sensation and muscle weakness. These symptoms can occur around the spinal cord, and also in other areas such as your arms and legs. Treatments often include medicines and surgery.
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