N-Telopeptide, Cross-Linked, Serum

0070500
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Example Reports
Abnormal
Normal

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Additional Technical Information
Ordering Recommendation
Mnemonic
NTX SERUM
Methodology

Quantitative Enzyme-Linked Immunosorbent Assay

Performed

Mon, Wed, Fri

Reported

1-4 days

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect

Plain red or serum separator tube.

Specimen Preparation

Transfer 0.5 mL serum to an ARUP Standard Transport Tube. (Min: 0.2 mL)

Storage/Transport Temperature

Frozen.

Unacceptable Conditions

Severely hemolyzed specimens.

Remarks
Stability

After separation from cells: Ambient: 5 hours; Refrigerated: 24 hours; Frozen: 6 months

Reference Interval

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

Interpretive Data

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

Compliance Category

FDA

Note
Hotline History
N/A
CPT Codes

82523

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Components
Component Test Code* Component Chart Name LOINC
0070500 N-Telopeptide, Cross-Linked, Serum 21215-9
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Cross-Linked N-Telopeptide
  • N-Telopeptide, Cross-Linked
  • NTx
  • NTx Serum
N-Telopeptide, Cross-Linked, Serum