Sign in →

Test Code HCO3 Bicarbonate, Serum

Reporting Name

Bicarbonate, S

Useful For

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

Performing Laboratory

Mayo Clinic Laboratories in Rochester

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
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

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

CPT Code Information

82374

LOINC Code Information

Test ID Test Order Name Order LOINC Value
HCO3 Bicarbonate, S 1963-8

 

Result ID Test Result Name Result LOINC Value
HCO3 Bicarbonate, S 1963-8

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 1 of the following forms with the specimen:

-Kidney Transplant Test Request

-Renal Diagnostics Test Request (T830)