ICD-10-CM > Z00-Z99 > Z00-Z13 > Z13 > Z13.2 Z13.2 Encounter for screening for nutritional, metabolic and other endocrine disorders Non-Billable/Non-Specific Codes Z13.21Encounter for screening for nutritional disorderZ13.22Encounter for screening for metabolic disorderZ13.220Encounter for screening for lipoid disordersZ13.228Encounter for screening for other metabolic disordersZ13.29Encounter for screening for other suspected endocrine disorder