NO.1 MEDICAL CODING TRAINING CENTRE IN CALICUT
Q85.03
(SCHWANNOMATOSIS)
SYMPTOMS OF SCHWANNOMATOSIS
- Difficulty with urinating or bowel dysfunction.
- Facial weakness.
- Headaches.
- Lumps or swollen areas where tumors form under the skin.
- Numbness.
- Vision changes.
- Weakness.
The cause of schwannomas is not known in most cases. Most often they occur spontaneously. Genetic disorders such as Carney complex, neurofibromatosis 2 (NF2) and schwannomatosis can cause schwannomas.
Surgery is usually performed to remove schwannomas in the peripheral nervous system, although radiosurgery is commonly used for schwannomas in the head. Since they are found in the sheath surrounding the nerve, the procedure often can be completed without any damage to the nerve except for vestibular schwannomas where hearing is frequently lost after surgery. Smaller benign schwannomas may just be monitored. Other treatments, such as radiation, may be used in some cases. Malignant schwannomas may be treated with immunotherapy and chemotherapy medications as well. If a schwannoma develops on a smaller nerve, it may not be possible to separate the tumor from the nerve. If a schwannoma is not completely removed, a slow-growing recurrence may be noted.
- Q85.03 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2021 edition of ICD-10-CM Q85.03 became effective on October 1, 2020.
- This is the American ICD-10-CM version of Q85.03 - other international versions of ICD-10 Q85.03 may differ.


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