Urine Chemistries

General Labs | Urine Chemistries

Urine chemistry is a group of one or more tests that are performed to check the chemical content of a urine sample. These tests identify and measure levels of proteins, analytes and nitrogenous waste product in urine.

For any questions regarding the tests offered or how to order, please contact us here.

Search for panels using CPT code or keyword. Scroll table horizontally to view all panel data.

CPT CODE	Panel/Test	Patient Preparation	Collection Info	Specimen Type	Unacceptable Conditions	Volume – Preferred	Volume – Minimum	Storage	Stability	Methodology	Critical/Panic Value	Reference Values:	Comments
82340	Calcium, random urine 24 hour	Urinary calcium results are more meaningful if the patient has been on a low calcium, neutral ash diet for three days prior to urine collection. Drugs affecting mineral metabolism should be withdrawn, if possible, two to four weeks prior to and during collection. These include antacids, phosphates, diuretics, glucocorticoids, carbonic anhydrase inhibitors, and anticonvulsants.	Instruct the patient to void at 8 AM and discard the specimen. Then collect all urine including the final specimen voided at the end of the 24-hour collection period (ie, 8 AM the next morning). Screw the lid on securely. Transport the specimen promptly to the laboratory. Container must be labeled with patient’s full name, room number, date and time collection started, and date and time collection finished. pH must be <2.	Urine	Improper labeling	25 mL aliquot	1 mL	Maintain specimen at room temperature.	14 days	Colorimetric / Enzymatic/ Turbidimetric	N/A	100-250 mg/dL	The test request form must state date and time collection started and date and time collection finished. State total volume.
82436	Chloride, random urine 24 hour	N/A	For a 24-hour collection, instruct patient to void at 8 AM (or 8 PM), and discard the specimen. Then collect all the urine including the final specimen voided at the end of the 24-hour collection period (ie, 8 AM [or 8 PM] the following day). Container must be labeled with patient’s name and date and time collection started and finished.	Urine	Improper labeling	10 mL aliquot	0.5 mL	Maintain specimen at room temperature.	14 days	Colorimetric / Enzymatic/ Turbidimetric	N/A	140-250 mmol/dL	The test request form must state date and time collection started and date and time collection finished. State total volume.
82570	Creatinine, random urine 24 hour	N/A	If the specimen is a 24-hour collection instruct the patient to void at 8 AM and discard the specimen. Then collect all urine including the final specimen voided at the end of the 24-hour collection period (ie, 8 AM the next morning). Screw the lid on securely. Transport the specimen promptly to the laboratory. Container must be labeled with patient’s full name, date and time collection started, and date and time collection finished.	Urine	Improper labeling	10 mL aliquot	0.5 mL	Maintain specimen at room temperature.	14 days	Colorimetric / Enzymatic/ Turbidimetric	N/A	20-350 mg/dL	The test request form must state date and time collection started and date and time collection finished. State total volume.
84133	Potassium, random urine 24 hour	N/A	If the specimen is a 24-hour collection instruct the patient to void at 8 AM and discard the specimen. Then collect all urine including the final specimen voided at the end of the 24-hour collection period (ie, 8 AM the next morning). Screw the lid on securely. Transport the specimen promptly to the laboratory. Container must be labeled with patient’s full name, date and time collection started, and date and time collection finished.	Urine	Improper labeling	10 mL aliquot	1 mL	Maintain specimen at room temperature.	14 days	Colorimetric / Enzymatic/ Turbidimetric	N/A	25-125 mmol/dL	The test request form must state date and time collection started and date and time collection finished. State total volume.
84300	Sodium, random urine 24 hour	N/A	If the specimen is a 24-hour collection instruct the patient to void at 8 AM and discard the specimen. Then collect all urine including the final specimen voided at the end of the 24-hour collection period (ie, 8 AM the next morning). Screw the lid on securely. Transport the specimen promptly to the laboratory. Container must be labeled with patient’s full name, date and time collection started, and date and time collection finished.	Urine	Improper labeling	10 mL aliquot	1 mL	Maintain specimen at room temperature.	14 days	Colorimetric / Enzymatic/ Turbidimetric	N/A	50-285 mmol/dL	The test request form must state date and time collection started and date and time collection finished. State total volume.
84155	Total Protein, random urine 24 hour	N/A	Instruct patient to void at 8 AM and discard the specimen. Then collect all urine including the final specimen voided at the end of the 24-hour collection period (ie, 8 AM the following day). Mix well. Screw the lid on securely. Container must be labeled with patient’s name and date and time collection started and finished.	Urine	Grossly bloody specimen; incomplete collection; specimen containing Pyridium®; pH <3	50 mL aliquot	1 mL	Maintain specimen at room temperature.	14 days	Colorimetric / Enzymatic/ Turbidimetric	N/A	Not Establish (per labcorp)	The test request form must state date and time collection started and date and time collection finished. State total volume.
82570, 84156	Protein/Creatinine Ratio, random urine	N/A	N/A	Urine	N/A	N/A	N/A	N/A	N/A	Colorimetric / Enzymatic/ Turbidimetric	N/A	N/A	(none)
82570, 84156	Protein/Creatinine Ratio, 24 urine	N/A	N/A	Urine	N/A	N/A	N/A	N/A	N/A	Colorimetric / Enzymatic/ Turbidimetric	N/A	N/A	(none)
84520	Urea Nitrogen, random urine 24 hour		If the specimen is a 24-hour collection instruct the patient to void at 8 AM and discard the specimen. Then collect all urine including the final specimen voided at the end of the 24-hour collection period (ie, 8 AM the next morning). Screw the lid on securely. Transport the specimen promptly to the laboratory. Container must be labeled with patient’s full name, date and time collection started, and date and time collection finished.	Urine	Improper labeling	10 mL aliquot	1 mL	Maintain specimen at room temperature.	14 days	Colorimetric / Enzymatic/ Turbidimetric	N/A	5-22 g/24h	The test request form must state date and time collection started and date and time collection finished. State total volume.
82043	MicroAlbumin	None	Urine withour preservative	Urine	Bloody specimen	10 mL	1 mL	Room temp	15 days	Colorimetric / Enzymatic/ Turbidimetric	N/A	<30 mg/dL	(none)

SST = Serum Separator Tube
PST = Plasma Seperator Tube

Urine Chemistries

General Diagnostics

Search for panels using CPT code or keyword. Scroll table horizontally to view all panel data.

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