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90523: Kidney Stone Risk AssessR™ Print View
Creatinine C    mg/dL 
Creatinine, 24 Hr. CALC  view ref range  g/24hr 
Calcium 24 hr Urine S  Male: 55 - 300
Female: 35 - 250 
mg/24hr 
Magnesium 24 hr Urine CALC  24 - 255  mg/24hr 
Citrate 24 hr Urine CALC  170 - 1266  mg/day 
Oxalic Acid, 24-Hour Urine CALC  3.6 - 38  mg/24hr 
Osmolality 24 hr Urine FP  500 - 800  mosm/kg 
Chloride 24 hr Urine ISE  31 - 260  mmol/24hr 
Potassium 24 hr Urine ISE  22 - 160  mmol/24hr 
Sodium 24 hr Urine ISE  52 - 380  mmol/24hr 
Uric Acid 24 hr Urine S  Male: 120 - 820
Female: 65 - 630 
mg/24hr 
Phosphorus 24 Hr Urine CALC  Male: 360 - 1600
Female: 170 - 1200 
mg/24hr 
pH Urine PH METER  6 - 8   
Total Volume     mL 
Interpretation      

PRIMARY
1 Urine 24 hour 10 (5) mL   Room Temperature - 72 Hour(s)/Refrigerated - 14 Day(s)/Frozen - 60 Day(s)  
2 Urine HCL Additive 10 (5) mL   Room Temperature - 24 Hour(s)/Refrigerated - 7 Day(s)  
ALTERNATE

For specimen #2, pour aliquot of urine from a well-mixed 24 Hour
collection into a clean, acid-washed, detergent-free leak proof
container.
Adjust pH to <3 with 6N HCL.
Record the total 24 hour volume in mL on the specimen container and
Test Requisition Form.
Setup Schedule
Tuesday, Thursday, Saturday

Reported (Analytical Time)
Next day

CPT Codes
82340, 82436, 82507, 82570, 83735, 83935, 83945, 83986, 84105, 84133, 84300, 84560

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.






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