Ordering Recommendation
Mnemonic
PYD
Methodology

Quantitative Enzyme Immunoassay

Performed

Tue

Reported

1-8 days

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

First-morning void.

Collect

Urine.

Specimen Preparation

Transfer 3.5 mL aliquot from a well-mixed, first-morning urine to an ARUP Standard Transport Tube. (Min: 0.5 mL)

Storage/Transport Temperature

Frozen.

Unacceptable Conditions
Remarks
Stability

Ambient: 2 hours; Refrigerated: 4 days; Frozen: 3 months

Reference Interval

Effective May 18, 2015

Test Number
Components
Reference Interval
  Pyridinoline, Urine - ratio to CRT Adult Male: 10.3-20.0 nmol/mmol
Premenopausal Adult Female: 15.3-33.6 nmol/mmol
  Creatinine, Urine - per volume No reference interval

Interpretive Data

The target value for treated postmenopausal adult females is the same as the premenopausal reference interval.

Compliance Category

FDA

Note
Hotline History
N/A
CPT Codes

82523

Components
Component Test Code* Component Chart Name LOINC
0020207 Creatinine, Urine - per volume 2161-8
0070222 Pyridinoline, Urine - ratio to CRT 25129-8
* 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
  • PYD crosslinks
  • Urinary pyridinium crosslinks
Pyridinium Crosslinks (Total), Urine