Sign in →

Test Code EEEV1 Red Blood Cell (RBC) Enzyme Evaluation, Blood


Necessary Information


Metabolic Hematology Patient Information (T810) is strongly recommended and should include clinical history. Testing may proceed without this information, however if the information requested is received, it allows for a more complete interpretation.



Specimen Required


Container/Tube:

Preferred: Yellow top (ACD solution B)

Acceptable: Yellow top (ACD solution A)

Specimen Volume: 12 mL

Collection Instructions: Send whole blood specimen in original tube. Do not aliquot.


Specimen Type

Whole Blood ACD-B

Specimen Minimum Volume

5 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Whole Blood ACD-B Refrigerated 11 days

Reject Due To

Gross hemolysis Reject

Reference Values

Definitive results and an interpretive report will be provided.

Specimen Retention Time

14 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

82955-G6PD Enzyme Activity

84087-Glucose phosphate isomerase

84220-Pyruvate Kinase Enzyme Activity

82657-Hexokinase

82657-Adenylate Kinase

82657-Phosphofructokinase

82657-Phosphoglycerate Kinase

82657-Triosephosphate Isomerase

82978-Glutathione

83915-Pyrimidine 5' Nucleotidase

Day(s) Performed

Tuesday, Thursday

Report Available

2 to 13 days