2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Symptoms, Signs, And Ill-Defined Conditions 780-799 > Nonspecific Abnormal Findings 790-796 > Nonspecific Findings On Examination Of Blood 790.* > 2006 ICD-9-CM Diagnosis 790.22 Impaired glucose tolerance test (oral) View the most recent version of ICD-9-CM 790.22 790.22 is a specific code that can be used to specify a diagnosis 790.22 contains 4 index entries View the ICD-9-CM Volume 1 790.* hierarchy Alternate Terminology Elevated glucose tolerance test  Index entries containing 790.22: Elevation glucose tolerance test 790.22 Findings, abnormal, without diagnosis (examination) (laboratory test) 796.4 blood sugar level 790.29 high 790.29 glucose tolerance test 790.22 glucose 790.29 elevated tolerance test 790.22 Impaired, impairment (function) glucose tolerance test (oral) 790.22