eGFR, 2021 CKD-EPI — lab reference
Some search terms matchedG2 60-89; G3a 45-59; G3b 30-44; G4 15-29; G5 <15. G1/G2 alone do not establish CKD without kidney damage.
THE PURSER WELLNESS ENCYCLOPEDIA
Let’s explore “Folate, serum — lab reference”
Explore this topic as a step-by-step interactive map.MTHFR, the citric acid cycle & ATP
A RELATED COURSEMethylation & B vitamins
Explore the course 4 chapters, at your pace
796 resources for your curiosity109 matching listings grouped; alternative sources stay available.
What’s searchable?BUN/creatinine ratio — lab reference
Some search terms matchedCalculated and context-dependent. Not a stand-alone diagnostic marker.
Calcium, total — lab reference
Some search terms matchedCorrect for albumin when appropriate or measure ionized calcium.
Calcium, ionized — lab reference
Some search terms matchedpH and specimen handling materially affect results.
Phosphorus — lab reference
Some search terms matchedAsk your clinician to read this result with kidney function, calcium, vitamin D, and PTH.
Uric acid — lab reference
Some search terms matchedA gout treatment target is not the same as the healthy-population interval.
Lactate, venous — lab reference
Some search terms matchedCollection method, tourniquet time, exercise, and timing affect result.
AST — lab reference
Some search terms matchedMuscle, liver, hemolysis, alcohol, exercise, and medication context matter.
ALT — lab reference
Some search terms matchedThe test method matters. Healthy-population upper limits may be lower than many commercial ranges.
Alkaline phosphatase (ALP) — lab reference
Some search terms matchedAge, bone turnover, liver source, pregnancy, and isoenzymes affect interpretation.
Gamma-glutamyl transferase (GGT) — lab reference
Some search terms matchedAlcohol, medications, metabolic disease, and cholestasis may elevate.
Bilirubin, total — lab reference
Some search terms matchedFasting, Gilbert syndrome, hemolysis, and liver disease may alter result.
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.
