What does medical code 20605 injection suppose to do?

Injection, triamcinolone acetonide, up to 40 mg

The injection of triamcinolone acetonide, up to 40 mg, is performed to provide relief from various musculoskeletal conditions by reducing inflammation and swelling in the affected areas. Triamcinolone acetonide is a corticosteroid medication with potent anti-inflammatory properties. This procedure involves the localized administration of triamcinolone acetonide into the affected joint, tendon, or soft tissue. It aims to mitigate inflammation and alleviate pain.