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Quest Diagnostics

Calcium

Quest Diagnostics

Sample type: Serum

Requires fasting: No

Phlebotomy required


Details

Calcium Test - this test measures the total amount of calcium in the blood, including both bound and free calcium. This essential mineral plays a crucial role in bone health, muscle contraction, nerve function, and heart function. The test is used to evaluate parathyroid function, monitor conditions that affect calcium metabolism such as kidney disease, hyperparathyroidism, and bone diseases. Abnormal levels can indicate a range of issues, from vitamin D deficiency to serious kidney or parathyroid disorders.


  • Calcium

Estimated days for results: Results should be available in 2 - 5 business days after the sample is collected

Calcium Test
This test measures the total amount of calcium in the blood, including both bound and free calcium. This essential mineral plays a crucial role in bone health, muscle contraction, nerve function, and heart function. The test is used to evaluate parathyroid function, monitor conditions that affect calcium metabolism such as kidney disease, hyperparathyroidism, and bone diseases. Abnormal levels can indicate a range of issues, from vitamin D deficiency to serious kidney or parathyroid disorders.

What patients is this test right for?
This test may be recommended for individuals showing symptoms of low or high calcium levels, or those with conditions affecting bone metabolism, heart health, or kidney function.

What type of sample is required for this test?
1 mL serum. 
Sodium heparin (green-top) tube • Lithium heparin (green-top) tube.

Test Resources
For more information, please consult your healthcare provider.


2–7 business days


                 Male (mg/dL) Female (mg/dL)
<1 month:       8.4-10.6       8.4-10.6
 1-11 months:     8.7-10.5       8.7-10.5
 1-3 years:       8.5-10.6       8.5-10.6
 4-19 years:      8.9-10.4       8.9-10.4
 20-49 years:     8.6-10.3       8.6-10.2
 >49 years:      8.6-10.3       8.6-10.4


  • Bone/Joint
  • Electrolytes
  • Nutrition

Blood Draw Options with Fullscript
Fullscript offers several convenient phlebotomy options to complete your lab testing:

Quest Diagnostics Patient Service Centers (PSC)

  • Location: Visit a nearby Quest Diagnostics Patient Service Center.
  • Cost: $10 sample collection fee (paid during lab order checkout).
  • Scheduling: Schedule your appointment here. Appointments are recommended to reduce wait times. Walk-ins are accepted, but may experience delays. Aim to arrive 10 minutes before your appointment.
  • Collection Instructions:
    • Bring a valid ID.
    • Bring your digital or printed requisition form, available in the Labs tab of your Fullscript account.
  • Check-in: Scan the QR code from your confirmation email or follow kiosk instructions.
  • More Info: Quest Diagnostics blood draw guide

Getlabs Mobile Phlebotomy

  • Location: Sample collection at your home or office.
  • Cost: $85 sample collection fee (paid during lab order checkout).
  • Availability: Available in most locations enter your ZIP code during checkout to confirm.
  • Scheduling: Schedule your appointment here through your Fullscript account.
  • Collection Instructions:
    • Have your digital or printed requisition form and valid ID ready.
    • Your phlebotomist will contact you by phone to coordinate arrival.
  • More Info: Getlabs blood draw guide

 Specimen
  • Preferred Specimen(s): 1 mL serum 
  • Alternative: NA 
  • Minimum Volume: 0.5 mL 
  • Collection Instructions: NA 
 Storage and shipping instructions
  • Transport Container: Serum separator tube (SST) 
  • Transport Temperature: Room Temperature 
  • Specimen Stability
    • Room temperature: 7 days 
    • Refrigerated: 7 days 
    • Frozen: 28 days 
  • Reject Criteria
    • Anticoagulants other than heparin 

State restrictions:

Patient can't order this test if they are located in Hawaii, Puerto Rico, New Jersey, New York, or Rhode Island

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