2007 ICD-9-CM Procedure 22.00 Aspiration and lavage of nasal sinus, not otherwise specified 22.00 is a specific code that can be used to specify a procedure 22.00 contains 5 index entries View the full Volume 3 22.* hierarchy Index entries containing 22.00: Aspiration nasal sinus 22.00 by puncture 22.01 through natural ostium 22.02 Drainage mucocele, nasal sinus 22.00 by puncture 22.01 through natural ostium 22.02 Irrigation nasal sinus 22.00 Lavage antral 22.00 nasal sinus(es) 22.00 by puncture 22.01 through natural ostium 22.02