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Orderable Name HCO3 Bicarbonate, Serum

Useful For

Diagnosis and treatment of acid-base imbalance in respiratory and metabolic systems

Specimen Type

Serum


Necessary Information


Patient's age and sex are required.



Specimen Required


Collection Container/Tube:

Preferred: Serum gel 

Acceptable: Red top 

Submission Container/Tube: Plastic vial 

Specimen Volume: 0.5 mL 

Collection Instructions:

1. Serum gel tube must be centrifuged within 2 hours of collection. 

2. Red-top tube must be centrifuged, and the serum aliquoted into a plastic vial within 2 hours of collection. 


Specimen Minimum Volume

0.25 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated 24 hours

Reference Values

Males

12-24 months: 17-25 mmol/L

3 years: 18-26 mmol/L

4-5 years: 19-27 mmol/L

6-7 years: 20-28 mmol/L

8-17 years: 21-29 mmol/L

≥18 years: 22-29 mmol/L

Females

1-3 years: 18-25 mmol/L

4-5 years: 19-26 mmol/L

6-7 years: 20-27 mmol/L

8-9 years: 21-28 mmol/L

≥10 years: 22-29 mmol/L

 

Reference values have not been established for patients that are <12 months of age.

Day(s) Performed

Monday through Sunday

CPT Code Information

82374

Report Available

Same day/1 to 2 days

Reject Due To

Gross hemolysis Reject
Gross lipemia OK

Method Name

Photometric/Enzymatic

Forms

If not ordering electronically, complete, print, and send a Renal Diagnostics Test Request (T830) with the specimen.