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Epic Code LAB3656 Beta CTX-1 (Cross Laps)

Test Name Alias

C-Telopeptide | C-terminal collagen crosslinks | Carboxy terminal collagen crosslinks | CTX | 7162

Interface Order Alias

55122

Quick Collect

+(1)S/PO/F

Collection Instructions

Specimen Collection: Blood

 

Container(s): Gold Top (Serum Separator-SST Gel) or Red Top (Plain, No additive)

  • Preferred Volume to Collect: 5.0 mL
  • Minimum Volume to Collect: 2.0 mL
  • Neonate Volume to Collect: 2.0 mL
  • Capillary collect ok: Yes
  • Microtainer acceptable: Yes

 

Collection Instructions:

  • Fasting patient is preferred, but not required.
  • After collection, gently invert tube 8-10 times.
  • Specimen should be processed within 1 hour – See Processing Instructions.

 

Processing Instructions (Laboratory, Outpatient or Off-site collection)

 

Processed Specimen: Serum

Centrifuge/Spin: Yes

Aliquot: Yes

Processing Instructions:

  • Allow blood to clot for 30 minutes in a vertical position and centrifuge promptly.
  • Within 1 hour aliquot serum into a plastic transport tube and freeze immediately.

Transport Temperature: Frozen

 

Rejection Criteria

  • Specimen not centrifuged promptly after collection.
  • Centrifuged serum not meeting specimen stability requirements.

Specimen Stability

Serum

  • Ambient:  8 hours
  • Refrigerated:  24 hours
  • Frozen:  28 days
  • Laboratory Retention:  7 days

Test Frequency

Test performed Monday, Wednesday and Fridays, usual Turn-around time 1 to 3 days

Reference Range

Male:

38-724 pg/mL

 

Female:

Premenopausal: 34-635 pg/mL
Postmenopausal: 34-1037 pg/ML

Performing Department

Immunochemistry

Performing Department Laboratory Location

Corewell Health Reference Laboratory, Grand Rapids, MI

Methodology

Chemiluminescence

CPT

82523

CDM Code

3018252301

Epic Test ID

1230100378

Mayo Access Code

SHO55122

Additional Information

This test replaces Beta CTx, Blood Level #9221

Reviewed Date

12/13/2022