Calcium Urine Timed
Order Name
CALC TM U
Test Number: 3006000
Revision Date 04/30/2021
Test Number: 3006000
Revision Date 04/30/2021
| Test Name | Methodology | LOINC Code |
|---|---|---|
|
Total Urine Volume
|
3167-4 | |
|
Creatinine, Urine, mg/dL
|
Kinetic Alkaline Picrate (Jaffe) | 20624-3 |
|
Creatinine, Urine, 24 Hour
|
2162-6 | |
|
Creatinine Urine Timed Estimated
|
||
|
Calcium 24 Hour Urine mg/dl
|
Arsenazo | 18488-7 |
|
Calcium 24 Hour Urine mg/24hr
|
6874-2 | |
|
Calcium Urine Timed Estimated
|
||
|
Hours Collected - Prompt
|
30211-7 | |
|
Volume 24 Urine Prompt
|
| SPECIMEN REQUIREMENTS | ||||
|---|---|---|---|---|
| Specimen | Specimen Volume (min) | Specimen Type | Specimen Container | Transport Environment |
| Preferred | 1 mL (0.5) | Urine, 24-hour | 24 hour Urine Container | See Instructions |
| Instructions | Timed urine collection, No preservatives, Refrigerate during and after collection. Record number of hours and volume in mL on the specimen container. 2 - 25 ml of 6 N HCL or 3 - 10 ml of boric acid are acceptable preservatives if collecting with another test. Stability: Ambient 2 days, Refrigerated 4 days, Frozen 3 weeks |
|||
| GENERAL INFORMATION | |
|---|---|
| Testing Schedule | Daily |
| Expected TAT | 1-2 days |
| Clinical Use | Useful for identification of abnormal physiologic states causing excess or suppressed excretion of calcium, such as hyperparathyroidism, Vitamin D abnormality, diseases that destroy bone, prostate cancer and drug treatment such as thiazide therapy. 24 hour collection. |
| CPT Code(s) | 82340, (81050 if urine measured by RML) |
| Internal Comments | 7/14/17 update stability - JK 10/15/19 updated cpt from 82340, 81050 to 82340, (81050 if urine measured by RML) - JK |
| Service Provided By |  |
| Lab Section | Chemistry |