Vitamin D Deficiency

Ramanpreet Grewal, MD Reviewed 04/2024

BASICS

This topic covers the commonly acquired vitamin D deficiency and not type II vitamin D–resistant rickets/type I pseudovitamin D–resistant rickets (both rare autosomal recessive disorders).

DESCRIPTION

DIAGNOSIS

Nonspecific musculoskeletal complaints
Weak antigravity muscles
Fracture with minimal trauma

HISTORY

Senior citizens at risk of falling
Renal disease
GI (malabsorption) disorders; liver dysfunctio...

TREATMENT

Treatment goals remain unclear, but current “normal” 25-OH vitamin D levels are based on suppression of PTH.
Obesity: Treatment of VDD in obesity, especially those who are obese and depressed...

ONGOING CARE

FOLLOW-UP RECOMMENDATIONS

Follow-up of abnormal 25-OH vitamin D not required

DIET

Cod liver oil is the most potent source of vitamin D and has ~1,300 IU vitamin D/tablet/tablespoon.
Fatty fi...

REFERENCES

Bjelakovic G, Gluud LL, Nikolova D, et al. Vitamin D supplementation for prevention of mortality in adults. Cochrane Database Syst Rev. 2011;(7):CD007470. ...

CODES

ICD10

E55 Vitamin D deficiency
E55.0 Rickets, active
E55.9 Vitamin D deficiency, unspecified
E64.3 Sequelae of rickets

SNOMED

190646000 Adult osteomalacia due to malnutrition
386072000 Deficiency of vi...

CLINICAL PEARLS

Common risk factors for vitamin D deficiency include inadequate sun exposure or dietary intake; obesity; Black or Hispanic ethnicity; and obesity.
25-OH vitamin D (most sensitive measur...

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