2007 ICD-9-CM Procedure 87.21 Contrast myelogram (MY-eh-lo-gram) An x-ray of the spinal cord after an injection of dye into the space between the lining of the spinal cord and brain. X-ray visualization of the spinal cord following injection of contrast medium into the spinal arachnoid space. 87.21 is a specific code that can be used to specify a procedure 87.21 contains 5 index entries View the full Volume 3 87.* hierarchy Index entries containing 87.21: Discogram, diskogram 87.21 Injection (into) (hypodermically) (intramuscularly) (intravenously) (acting locally or systemically) spinal (canal) NEC 03.92 contrast material (for myelogram) 87.21 Myelogram, myelography (air) (gas) 87.21 posterior fossa 87.02 Radiography (diagnostic) NEC 88.39 contrast (air) (gas) (radio-opaque substance) NEC intervertebral disc(s) 87.21 spinal disc(s) 87.21