California
Vitamin K1 Test in California
The Vitamin K1 test measures phylloquinone, the form of vitamin K found in leafy green vegetables. It helps evaluate vitamin K status and supports the assessment of blood clotting, absorption, and bone health.
Order Vitamin K1 Test in California
Order online and visit a local collection site, or choose an at-home kit where available. No referral and no insurance required.
Order Vitamin K1 Test- Typical turnaround
- 1-3 business days
- Starting price
- From $192
- Results
- Confidential, online
Quick answer
The Vitamin K1 test measures phylloquinone in the blood. Vitamin K is a fat-soluble vitamin needed for normal blood clotting and for proteins involved in bone health. The test is typically ordered when a deficiency is suspected because of poor dietary intake, fat malabsorption, or a condition that affects how the body uses vitamin K. A healthcare provider interprets the result with the broader clinical picture.
What this test measures
Vitamin K comes in several forms. Vitamin K1, or phylloquinone, is the form found in green leafy vegetables and some plant oils, while vitamin K2 refers to a group of related compounds. The body uses vitamin K to activate several clotting factors made in the liver, and it also supports proteins that help regulate calcium in bone.
The test uses a blood sample, usually collected from a vein in the arm. Laboratories measure phylloquinone directly, and results are compared with reference ranges that can vary between laboratories. Because vitamin K is fat-soluble, conditions that reduce fat absorption can lower levels, so clinicians often interpret the result alongside other fat-soluble vitamin tests.
Testing may be considered for people with unexplained bruising or bleeding, chronic liver or bile duct conditions, or malabsorption disorders such as celiac disease or cystic fibrosis. It may also be used to assess nutritional status during long-term intravenous nutrition. Results alone do not diagnose a condition and are reviewed with a qualified healthcare provider.
Vitamin K1 Test in California cities
Acalanes Ridge, CA
Vitamin K1 Test in Acalanes Ridge.
Acton, CA
Vitamin K1 Test in Acton.
Adelanto, CA
Vitamin K1 Test in Adelanto.
Agoura Hills, CA
Vitamin K1 Test in Agoura Hills.
Agua Dulce, CA
Vitamin K1 Test in Agua Dulce.
Ahwahnee, CA
Vitamin K1 Test in Ahwahnee.
Airport, CA
Vitamin K1 Test in Airport.
Alameda, CA
Vitamin K1 Test in Alameda.
Alamo, CA
Vitamin K1 Test in Alamo.
Albany, CA
Vitamin K1 Test in Albany.
Alhambra, CA
Vitamin K1 Test in Alhambra.
Aliso Viejo, CA
Vitamin K1 Test in Aliso Viejo.
Allendale, CA
Vitamin K1 Test in Allendale.
Alondra Park, CA
Vitamin K1 Test in Alondra Park.
Alpine, CA
Vitamin K1 Test in Alpine.
Alta Sierra, CA
Vitamin K1 Test in Alta Sierra.
Altadena, CA
Vitamin K1 Test in Altadena.
Alturas, CA
Vitamin K1 Test in Alturas.
Alum Rock, CA
Vitamin K1 Test in Alum Rock.
Amador Pines, CA
Vitamin K1 Test in Amador Pines.
American Canyon, CA
Vitamin K1 Test in American Canyon.
Amesti, CA
Vitamin K1 Test in Amesti.
Anaheim, CA
Vitamin K1 Test in Anaheim.
Anderson, CA
Vitamin K1 Test in Anderson.
Angels, CA
Vitamin K1 Test in Angels.
Angwin, CA
Vitamin K1 Test in Angwin.
Antelope, CA
Vitamin K1 Test in Antelope.
Antioch, CA
Vitamin K1 Test in Antioch.
Anza, CA
Vitamin K1 Test in Anza.
Apple Valley, CA
Vitamin K1 Test in Apple Valley.
Frequently Asked Questions
Where can I get a vitamin k1 test in California?
California has certified laboratories and independent diagnostic centers that offer this panel. Direct-access ordering lets you select a location that fits your schedule.
How much does a vitamin k1 test cost in California?
Pricing varies by provider and location. Check the price shown at checkout, and contact the testing partner for a written estimate if needed.
Is at-home collection available in California?
For select panels, at-home kits can be shipped to California, collected at home, and mailed back for analysis.
How long do results take in California?
Most results are reported within 1-3 business days after collection.
Ready to get tested?
Order online and visit a collection site near you, or choose a mail-in kit. No referral and no insurance required.
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Every page on this site is reviewed for clarity, sourcing, and accuracy. We update our library as testing options, collection networks, and accreditation standards change.