Diagnosis Code 446.5
Information for Medical Professionals
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.
- M31.6 - Other giant cell arteritis (approximate) Approximate Flag
The approximate flag is on, indicating that the relationship between the code in the source system and the code in the target system is an approximate equivalent.
Index of Diseases and Injuries
References found for the code 446.5 in the Index of Diseases and Injuries:
- Anarthritic rheumatoid disease 446.5
- Arteritis 447.6
- cranial (left) (right) 446.5
- giant cell 446.5
- temporal 446.5
- Bagratuni's syndrome (temporal arteritis) 446.5
- Disease, diseased - SEE ALSO See Also
A “see also” instruction following a main term in the index instructs that there is another main term that may also be referenced that may provide additional index entries that may be useful. It is not necessary to follow the “see also” note when the original main term provides the necessary code. Syndrome
- anarthritic rheumatoid 446.5
- Horton's (temporal arteritis) 446.5
- disease (temporal arteritis) 446.5
- Myopathy 359.9
- giant cell arteritis 446.5 [359.6]
- Polymyalgia 725
- arteritica 446.5
- Rhizomelique, pseudopolyarthritic 446.5
- Syndrome - SEE ALSO See Also
A “see also” instruction following a main term in the index instructs that there is another main term that may also be referenced that may provide additional index entries that may be useful. It is not necessary to follow the “see also” note when the original main term provides the necessary code. Disease
- Bagratuni's (temporal arteritis) 446.5
Information for Patients
Giant cell arteritis is a disorder that causes inflammation of your arteries, usually in the scalp, neck, and arms. It narrows the arteries, which keeps blood from flowing well. Giant cell arteritis often occurs with another disorder called polymyalgia rheumatica. Both are more common in women than in men. They almost always affect people over the age of 50.
Early symptoms of giant cell arteritis resemble the flu: fatigue, loss of appetite, and fever. Other symptoms include
- Pain and tenderness over the temples
- Double vision or visual loss, dizziness
- Problems with coordination and balance
- Pain in your jaw and tongue
Your doctor will make the diagnosis based on your medical history, symptoms, and a physical exam. There is no single test to diagnose giant cell arteritis, but you may have tests that measure inflammation.
Treatment is usually with corticosteroids. Early treatment is important; otherwise there is a risk of permanent vision loss or stroke. However, when properly treated, giant cell arteritis rarely comes back.
NIH: National Institute of Arthritis and Musculoskeletal and Skin Diseases
- Temporal arteritis