1,25-dihydroxyvitamin D — lab reference
In the reference guideNot a routine vitamin D status test. Ask your clinician to read this result with calcium, phosphorus, kidney function, and PTH.
THE PURSER WELLNESS ENCYCLOPEDIA
5 chapters, at your pace
750 resources for your curiosity51 matching listings grouped; alternative sources stay available.
What’s searchable?Not a routine vitamin D status test. Ask your clinician to read this result with calcium, phosphorus, kidney function, and PTH.
<10 severe deficiency; 10-19 mild-moderate deficiency. Toxicity assessment requires clinical context.
Age-adjusted and assay-specific diagnostic strategies may apply. Not a stand-alone thrombosis diagnosis.
Mayo example age 20-24: M 5.25-20.7; F <0.13-1.08. Declines with age and is method-dependent.
Age, sex, nutrition, liver disease, diabetes, and assay matter.
Ask your clinician to read this result with kidney function, calcium, vitamin D, and PTH.
Ask your clinician to read this result with calcium, phosphorus, magnesium, vitamin D, and kidney function.
Clinical action thresholds differ from statistical reference intervals.
Age, infection, immune status, and medications affect interpretation.
Your lab may use a different range.
Muscle mass, age, diet, medications, and assay matter. Ask your clinician to review with eGFR, not alone.
G2 60-89; G3a 45-59; G3b 30-44; G4 15-29; G5 <15. G1/G2 alone do not establish CKD without kidney damage.
Search looks for your words in titles, descriptions, available articles, learning guides, and video captions when available. The closest matches appear first. Duplicate posts are grouped, with links to other places you can read or watch them. Books, chapters, and reports have topic guides here; the original files and full book text are not available in this encyclopedia. Subscriber posts include a title and public summary; open Substack to read the full post.