Corewell Health is the new name for Lakeland. Learn More

Vitamin D-1,25 Dihydroxy

Vitamin D-1,25 Dihydroxy

Alternate Test Name


1,25-Dihyroxyvitamin D, Serum; Calcitriol

Epic Mnemonic
Sunquest Mnemonic

LAB536
VIT2D

Category

Sendouts

Methodology

Chemiluminescence Immunoassay (CLIA)

Test Performance Schedule

Twice a week

Result Availability

2 - 7 days

Specimen Required

Container

Gold top (SST) tube

Volume

Pref. Vol.: 1.5 mL serum
Min. Vol.: 0.7 mL serum

Collection Instructions

• Routine venipuncture
• Immediately after collection, gently invert tube 5-10 times
• Clot 30 minutes
• Promptly centrifuge 15 minutes
• Refrigerate

Transportation Instructions

Refrigerated

Stability

• Room temperature: 3 days
• Refrigerated (preferred): 7 days
• Frozen: 6 months

Causes for Rejection

Grossly hemolyzed specimen

Remarks

Calcitriol (1,25-Dihydroxyvitamin D) testing is not intended for routine monitoring of vitamin D levels. This test should be reserved for patients with renal disease, sarcoid tuberculosis, lymphoma and rickets, as well as, long term use of protease inhibitors, glucocorticoids, or anticonvulsants.For routine monitoring ofvitamin D levels in the majority of the population; Vitamin D 25 (25 OH D) is recommended.

CPT Codes

82652

Effective/Revised

5/1/2023

Continue Watching

Bigger than a Building: Newly renovated Corewell Health Lakeland Hospital Pavilion

The newly renovated Corewell Health Lakeland Hospital Pavilion in St. Joseph focuses on high-tech modernizations and exceptional patient experiences.

Dec 07, 2022
How can you prepare for the cost of birth?

Are you expecting? You may have a lot of financial questions. Our financial counselors are here to help, regardless of your situation.

Dec 06, 2021
How can you prepare for the cost of surgery?

Planning for a surgery? Stay ahead of your health care bills by connecting with a financial counselor today.

Dec 06, 2021
How can financial counselors help?

If you’re concerned about your medical bills or just have questions, our financial counselors are here to help.

Dec 06, 2021
COVID-19 vaccine and kids

Pediatrician, Anne Dudley, DO, and Berrien County Health Department Medical Director, Rex Cabaltica, MD, discuss the COVID-19 vaccine for kids.

Aug 04, 2021
Tiny poke. Big impact.

Learn how to schedule your COVID-19 vaccination appointment.

Mar 29, 2021
Pardon our dust: Phase II Pavilion project updates

Phase II of the Pavilion project at Spectrum Health Lakeland Medical Center is now underway.

Mar 08, 2021
Why I vaccinated: Community member, Deborah Haynes

To help slow the spread of COVID-19 and stay protected, community members are getting a tiny poke with a big impact.

Mar 02, 2021
Why I vaccinated: Community member, Sharon Kuhns

To help slow the spread of COVID-19 and stay protected, community members are getting a tiny poke with a big impact.

Feb 23, 2021
Why I vaccinated: Mental health counselor, Jose Gonzales II

Community member and mental health counselor, Jose Gonzales II, shares his personal choice to receive the COVID-19 vaccine.

Feb 18, 2021

Trending on Lakeland

Corewell Health Center for Wellness Has Relocated to Expand Local Health Services in Benton Harbor

The Corewell Health™ Center for Wellness has moved to a spacious new building around the corner from its original facility. The new space is approximately 24,000 square feet - nearly 20 times larger than the previous location, adding adequate room to expand community-based health services.

Corewell Health’s President in Southwest Michigan Announces Retirement

Loren B. Hamel, M.D., president, Corewell Health™ in Southwest Michigan, has announced his plan to retire on June 30, 2024.

New Members Appointed to Corewell Health South Board of Directors

Corewell Health welcomed two new members to its board of directors in Southwest Michigan. Bertha King and Stephen Hempel, M.D., began three-year terms on Jan. 1, 2024.

Corewell Health Announces Changes to Board of Directors, Appoints New Chair

Today, Corewell Health™ announced changes to its board of directors, including the introduction of two new members, the appointment of a new chair and vice chair, and the departure of three founding board members.

Corewell Health Encourages Community Members to Donate Blood, Save Lives This Holiday Season

Corewell Health™, in partnership with Versiti Blood Center of Michigan, is encouraging Lakeland area community members to donate blood this holiday season. A series of community blood drives will take place this December.

Corewell Health, YMCA Increase Access to Healthy Foods Through Veggie Van™ Partnership

The Veggie Van™, a mobile farmers market, served 13 counties throughout Michigan this year, ensuring that free fruits and vegetables were available to individuals who otherwise had limited access. The program, a joint effort of Corewell Health™ and the YMCA of Greater Grand Rapids, launched in 2018 to combat food insecurity and will continue for a sixth consecutive year in spring 2024. Through their partnership, 46,466 free pieces of produce were distributed to Michigan families in 2023.

Corewell Health Named a Leading Inclusion Index Company

Corewell Health™ was named to professional services and research firm Seramount’s 2023 Inclusion Index. The recognition measures three key areas of an organization: best practices in the recruitment, retention and advancement of people from historically marginalized groups—women, racial/ethnic groups, people with disabilities and LGBTQIA+ people; inclusive company culture; and demographic diversity.

South Haven Luminary Fundraiser  for Corewell Health Hospice & Palliative Care

Community members are invited to support Corewell Health Hospice & Palliative Care, formerly Caring Circle, by purchasing a luminary now through Monday, Nov. 20, at 3 p.m.

Great Lakes Gastroenterology joins Corewell Health in Southwest Michigan

Southwest Michigan area residents can access gastroenterology services at a new Corewell Health™ facility, Corewell Health Lakeland Hospitals Gastroenterology, 3903 Hollywood Road, St. Joseph. The facility, formerly Great Lakes Gastroenterology, joined Corewell Health on Nov. 1.

Drug Take Back Day Encourages Community to Dispose of Unwanted Medications

Corewell Health and Berrien County Sheriff Department have teamed up to collect unused and unwanted prescription drugs for safe disposal. Community members are invited to stop by Corewell Health Lakeland Hospital and Corewell Health Care Center on Saturday, Oct. 28, from 10 a.m. to 2 p.m.

New General Surgeon Joins Corewell Health in Southwest Michigan

General surgeon Andrew Vaughan, D.O., joined the medical staff in Southwest Michigan. Dr. Vaughan will see patients alongside several board-certified surgeons and advanced practitioners at 3900 Hollywood Road, St. Joseph.

Corewell Health Welcomes New Physician to Diabetes and Endocrinology

Board-certified endocrinologist, Inderpreet Madahar, M.D., will join Corewell Health’s medical staff in Southwest Michigan. Dr. Madahar will see patients at Corewell Health Diabetes and Endocrinology – Royalton, 3950 Hollywood Road, Suite 288, St. Joseph.

Corewell Health Welcomes New Primary Care Provider in Coloma

Family nurse practitioner Andrea Edgerly, N.P., has joined the Corewell Health™ medical staff in Southwest Michigan. Edgerly is accepting new patients at Corewell Health Watervliet Hospital Primary Care - Coloma, 6701 Paw Paw Ave.

Corewell Health Welcomes New Nurse Midwife

Alexandra Vroom, CNM, has joined Corewell Health™ in Southwest Michigan. Vroom will see patients alongside three physicians and four other advanced practice providers at Corewell Health Women’s Health‐ Royalton, 3950 Hollywood Road, Suite 100, in St. Joseph.

Corewell Health Named a 2023 Top 75 Company for Executive Women

Corewell Health was named among the list of 2023 Seramount Top 75 Companies for Executive Women.

© Spectrum Health Lakeland 2024
Hospital