N Telopeptide, Cross Linked, Serum (Sendout)

General Information

Lab Name
Lab Code
222
External Test Id
0070500
Description

Useful For:

  • Monitoring effectiveness of antiresorptive therapy in patients treated for osteoporosis or other metabolic bone disorders
  • As an adjunct in the diagnosis of medical conditions associated with increased bone turnover
  • This test is not useful for screening or diagnosing osteoporosis.
Synonyms
0070500, Cross Linked, N Telopeptide, N-Telopeptide, NTX, NTx Serum, SNTX
Components

Interpretation

Method

Quantitative Enzyme-Linked Immunosorbent Assay

Reference Range
Ref. Range Notes

Reference Values:

Adult Male: 5.4-24.2 nM BCE
Premenopausal, Adult Female: 6.2-19.0 nM BCE

Interpretation: The target value for treated postmenopausal adult females is the same as the premenopausal reference interval. BCE = Bone Collagen Equivalent.

Ordering & Collection

Specimen Type
Blood
Collection

3 mL blood in RED TOP tube or GOLD SST

Handling Instructions

Outside Laboratories: Centrifuge sample and transfer serum to a separate plastic vial. Freeze serum at -20°C while awaiting shipment. Transport samples on dry ice.

Stability: Frozen (preferred): 6 months; Refrigerated: 24 hours; Ambient: 5 hours.

Unacceptable Conditions: Severely hemolyzed specimens.

Quantity
Requested: 0.5 mL serum
Minimum: 0.5 mL serum

Processing

Receiving Instructions

Centrifuge sample and transfer serum to a separate plastic vial. Freeze serum at -20°C.

Sendouts:

  • Order ARUP Test: 0070500
  • Interfaced: Yes [Interface: 602; Department: ARPZ]

Stability: Frozen (preferred): 6 months; Refrigerated: 24 hours; Ambient: 5 hours.

Unacceptable Conditions: Severely hemolyzed specimens.

Misc Sendout

Performance

Lab Department
Frequency
Performed: Monday, Wednesday, Friday. Report Available: 3-10 days.
Available STAT?
No
Performing Location(s)
Sendout ARUP Laboratories, Inc.
800-522-2787

500 Chipeta Way
Salt Lake City, UT 84108

Billing & Coding

Billing Comments

CPT: 82523