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Laboratory:

Clinical Biochemistry

Test Name:

CHLORIDE - (U)

Test Code: CLU

Clinical Information:

Chloride is the primary extracellular anion and has a role in maintenance of body water distribution, osmotic pressure and normal anion-cation balance. Measurement of urine chloride is important for the assessment of acid-base balance, water balance and dehydration.

Collection Devices:

Preferred Device:	1 - Urine Collection Container - 24 h Urine Collection Container - 24 h Manufacturer: VWR Scientific Products/Simport Plastics Catalogue #: CA73960-110
Alternate Device:	1 - Urine Collection Container, Random 100 mL Urine Collection Container, Random 100 mL Manufacturer: Starplex Scientific Inc. (Etobicoke, ON) Catalogue #: 3008-1

Collect 24h urine without preservative. Fresh random urine also acceptable. Refrigerate 24h and random urine specimens until analysis.
Similar lab approved leak-proof containers acceptable.

Specimen Required:

Urine: 3.0 mL

Stability 7 days at room temperature, 6 months frozen

Referral:

Urine: 3.0 mL

Refer to JA110-50-01A.

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Requisition:

_SH Urine Testing Requisition (R250-10-95)

Reference Values:

110-250 mmol/d

Availability:

Stat or Routine