Impaired glucose tolerance icd 10 code July 8, 2019 16 32 64 128 Icd 10 code for impaired glucose tolerance in pregnancy Icd 10 code for impaired glucose tolerance unspecified Icd 10 code for impaired glucose tolerance test Impaired glucose tolerance icd 10 Impaired glucose intolerance icd 10 Impaired glucose icd 10