ICD10 code for Vitamin D deficiency E20.0 Idiopathic hypoparathyroidism E20.8 Other hypoparathyroidism E20.9 Hypoparathyroidism, unspecified E21.0 -E21.3 Hyperparathyroidism and other disorders of parathyroid gland (code range) icd 10 code for vitamin d screening medicare. PDF download: Local Coverage Determination for Vitamin D Assay Testing. – CMS. www.cms.gov. Vitamin D deficiency may lead to a variety of disorders. ICD 10 Codes for Vitamin D deficiency Many ICD 10 Diagnosis (CM) codes have additional notations and/or requirements. Please view the code for more information.Rhetoric or mindless waffle I will be casting miscellaneous trivia for teens.