2007 ICD-9-CM Procedure 03.31 Spinal tap A procedure in which a needle is put into the lower part of the spinal column to collect cerebrospinal fluid or to give anticancer drugs intrathecally. Tapping of the subarachnoid space in the lumbar region, usually between the third and fourth lumbar vertebrae. 03.31 is a specific code that can be used to specify a procedure 03.31 contains 9 index entries View the full Volume 3 03.* hierarchy 03.31 also known as: Lumbar puncture for removal of dye 03.31 excludes: lumbar puncture for injection of dye [myelogram] (87.21) Index entries containing 03.31: Aspiration spinal (puncture) 03.31 Drainage spinal (canal) (cord) 03.09 diagnostic 03.31 Puncture lumbar (diagnostic) (removal of dye) 03.31 spinal 03.31 Rachicentesis 03.31 Removal -- see also Excision dye, spinal canal 03.31 pantopaque dye, spinal canal 03.31 Tap lumbar (diagnostic) (removal of dye) 03.31 spinal (diagnostic) 03.31