Cross-Linked N-telopeptide, Urine
Test Mnemonic
UNTX2
CPT Codes
- 82523 - QTY (1)
Aliases
- NTX, Urine
Includes
- X-link N-Telopeptide
Performing Laboratory
Cleveland Clinic Laboratories
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 5 mL | Second-morning void urine | Clean container | Refrigerated | Fasting urine is required |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 2 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | 1 day |
| Refrigerated | 7 days |
| Frozen | 14 days (Avoid repeated freeze/thaw cycles) |
Days Performed
Thu
Turnaround Time
1 - 7 days
Methodology
| Name | Description |
|---|---|
| Enzyme Immunoassay (EIA) |
Reference Range
| Cross-Linked N-telopeptide, Urine | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Male | Normal | 3.0 to 63.0 | nM BCE/mM creatinin | Female | Normal | 5.0 to 65.0 | nM BCE/mM creatinin |
Special Info
Second morning fasting urine is required.
Clinical Info
Evaluation of osteoporosis and other catabolic states of bone.