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Specimen Collection Manual and Test Catalog

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CHLORIDE

Geisinger Epic Procedure Code:  LAB1989    Geisinger Epic ID:  14328

SPECIMEN COLLECTION
Specimen type: 

Plasma or Serum


Preferred collection container: 
Specimen required: 

2 mL of serum or plasma; minimum 0.2 mL



SPECIMEN PROCESSING
Processing instructions: 

Allow serum to clot. Centrifuge to separate serum or plasma within 2 hours of collection.


Transport temperature: 

Refrigerated.


Specimen stability: 

PST and SST: Room temperature: 7 days. Refrigerated: 7 days. Frozen: 2 months.


Rejection criteria: 

Stability limits exceeded.



TEST DETAILS
Reference interval: 

98-107 mmol/L.


CPT code(s):  82435
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.

Methodology: 
Potentiometric
Synonyms: 

CL


Clinical significance: 

Serum chloride counterbalances sodium in maintaining electrical neutrality in body fluids. Chloride is significantly involved in maintaining proper hydration and osmotic pressure. Chloride measurements are used in the diagnosis and treatment of electrolyte and metabolic disorders such as cystic fibrosis and diabetic ketoacidosis.


Doctoral Director(s): 
Hoi-Ying Elsie Yu, PhD, DABCC, FADLM
Sheng-Ying (Margaret) Lo, PhD, DABCC
Review Date:  12/27/2024

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