ICD-10 E55.9

E55.9 is a billable/specific ICD-10-CM code used for "Vitamin D deficiency, unspecified." This code is included in the chapter on endocrine, nutritional, and metabolic diseases.

The diagnosis coded as E55.9 refers to a nutritional condition produced by a deficiency of vitamin D in the diet, insufficient production of vitamin D in the skin, inadequate absorption of vitamin D from the diet, or abnormal conversion of vitamin D to its bioactive metabolites. It is manifested clinically as rickets in children and osteomalacia in adults. This code is used when a patient has been diagnosed with a vitamin D deficiency that has not been further specified by testing. Vitamin D is essential for bone health, and deficiency can lead to various skeletal disorders.

Appropriate testing should be performed to confirm Vitamin D deficiency. E55.9 should be employed when there is evidence of vitamin D deficiency, but the specific type or cause has not been fully investigated or documented.

It's important to document signs and symptoms that led to testing for vitamin D levels, as well as the outcomes of such tests if available, even if the exact type of deficiency isn't specified.

E55.9 is vital for the documentation and management of vitamin D deficiency, ensuring patients receive necessary supplementation and monitoring to prevent complications associated with this condition.