After an injury, many cell types must travel to the site: immune cells to clear debris, fibroblasts to build new connective tissue, endothelial cells to form blood vessels, and stem cells to differentiate
CPT code 96372 is used when a healthcare provider administers a therapeutic, prophylactic, or diagnostic injection either subcutaneously (under the skin) or intramuscularly (into the muscle)
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Contact your provider if bruising spreads beyond the immediate injection area, if you develop warmth, increasing redness, or pus at the site (signs of infection), or if you experience severe pain, swelling that restricts movement, or symptoms of an allergic reaction (hives, difficulty breathing, swelling of face or throat)