Vitamin K1

Primary unit: ng/mL
LOINC codes: 9622-2
Tests that measure Vitamin K1: Labcorp 1, Quest Diagnostics 1

Tests

Check the catalog code, specimen, method and preparation for every test that measures Vitamin K1. Select up to five tests to compare them side by side.

Labcorp 1 test

Single-analyte tests

Vitamin K1 121200
Serum · Fasting not stated · Turnaround 4 - 6 days
Method and collection
Method
Liquid chromatography/tandem mass spectrometry (LC/MS-MS)3
Preparation
Patient should fast for 12 hours.
Collection
The blood is to be collected by venipuncture into a Vacutainer® blood collection tube and mixed immediately by gentle inversion at least six times to ensure adequate mixing. Allow serum samples to clot for at least 10 minutes. Separate plasma/serum from red cells by centrifugation. Protect from light. Transfer plasma/serum specimen to labeled amber plastic transport tube with amber stopper . For amber plastic transport tube and amber stopper, order Labcorp No. 23598.
Reference notes
0.10 – 2.20 ng/mL
Labcorp catalog page

Quest Diagnostics 1 test

Single-analyte tests

Vitamin K 36585
Plasma · Fasting not stated · Turnaround Set up: Tues, Thurs
Method and collection
Method
Chromatography/Mass Spectrometry
Preparation
Fasting for a minimum of 8 hours required. Patient should refrain from eating liver and taking multivitamins or vitamin K at least 24 hours before sample collection.
Collection
Centrifuge within 1 hour of collection. Immediately separate plasma or serum from the cells into an amber transport tube to protect from light. Freeze. Do not thaw. Samples received frozen but not protected from light are acceptable. If unable to centrifuge immediately, sample should be covered with aluminum foil immediately and placed on ice until plasma or serum can be separated from cells. Transport plasma or serum to the laboratory frozen.
Reference notes
130-1500 pg/mL
Quest Diagnostics catalog page

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Sources

Labcorp test catalog
1 test: codes, specimens, methods, preparation and reference intervals.
Quest Diagnostics test catalog
1 test: codes, specimens, methods, preparation and reference intervals.
LOINC 9622-2
Regenstrief Institute codes that identify the same result across labs.
Search ClinicalTrials.gov for Vitamin K1
Registered studies that measure Vitamin K1, on the U.S. National Library of Medicine registry.

Verify these ranges and sources

We compile this page from named laboratory catalogs, guidelines and studies. Labs calculate reference intervals from the people they test, for one assay method and one population group, so an interval describes that population rather than an optimal target.

Interpret your own results with a licensed clinician, or track your lab history and health goals in Aumnivida.

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