2007 ICD-9-CM Procedure 99.21 Injection of antibiotic 99.21 is a specific code that can be used to specify a procedure 99.21 contains 6 index entries View the full Volume 3 99.* hierarchy 99.21 excludes: injection or infusion of oxazolidinone class of antibiotics (00.14) Index entries containing 99.21: Injection (into) (hypodermically) (intramuscularly) (intravenously) (acting locally or systemically) antibiotic 99.21 oxazolidinone class 00.14 sclerosing agent NEC 99.29 treatment of malignancy (cytotoxic agent) 34.92 [99.25] with tetracycline 34.92 [99.21] Pleurodesis 34.6 chemical 34.92 with cancer chemotherapy substance 34.92 [99.25] tetracycline 34.92 [99.21] Pleurosclerosis 34.6 chemical 34.92 with cancer chemotherapy substance 34.92 [99.25] tetracycline 34.92 [99.21] Scarification pleura 34.6 chemical 34.92 with cancer chemotherapy substance 34.92 [99.25] tetracycline 34.92 [99.21] Sclerotherapy pleura 34.92 treatment of malignancy (cytotoxic agent) 34.92 [99.25] with tetracycline 34.92 [99.21]