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Laboratory Medicine

Test Directory / Chloride

Chloride

Brown clotted serum, gel barrier or orange lithium heparin

TestChloride
Common AbbreviationsCL, CHL
ProfileNA
Tube typeBrown clotted serum, gel barrier or orange lithium heparin
Clinical IndicationChloride is involved in the maintenance of water distribution, osmotic pressure and anion-cation balance in the extracellular fluid. Measurement is required for the calculation of the anion gap and is useful for the diagnosis of acid-base disturbances.
Specimen TypeBlood
Sample typeSerum
Minimum Volume0.5mL If requesting more than 10 tests please send an additional brown clotted serum sample.
Special PrecautionsNo special requirements
Stability7 days at 2 - 25°C
Turnaround TimeInpatient: 4 hours Outpatient/ GP: 24 hours
LaboratoryYork and Scarborough
Reference Interval95-108 mmol/L (Recommended by Pathology Harmonisation Reference Group)
LimitationsHaemolysed or grossly lipaemic samples should not be tested. Perchlorates (propellants, thyroid investigation) can give falsely high results.
Notes
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York Emergency Department (A&E)

The current entrance to the Emergency Department (A&E) is closed and a new entrance at the south of the building is in operation.

Arrive at Entrance 1, the main entrance to York Hospital signposted from Wigginton Road, and park in the multi-storey car park.  A new pedestrian exit has been created at the end of the car park. Follow the green line on the floor to the emergency department. Please see our website news for more information about arrivals to A&E.