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Neurologic Enzyme Evaluation

Reporting Name

Neurologic Enzyme Evaluation
Seattle Children's Hospital Note:

Clinical System Name; Miscellaneous Test

Useful For

Evaluating patients who have a hemolytic process that is associated with some neurologic findings

Profile Information

Test ID Reporting Name Available Separately Always Performed
NEEV Neurologic Enzyme Interpretation No Yes
GLTI Glutathione, B No Yes
PFK Phosphofructokinase, RBC No Yes
PGK Phosphoglycerate Kinase, B No Yes
TPI Triosephosphate Isomerase, B No Yes
P5NT Pyrimidine 5' Nucleotidase, B Yes Yes

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Whole Blood ACD-B

Specimen Required

Container/Tube: Yellow top (ACD)

Specimen Volume: 10 mL

Collection Instructions: Do not transfer blood to other containers.

Specimen Minimum Volume

5 mL

Specimen Stability Information

Specimen Type Temperature Time
Whole Blood ACD-B Refrigerated 8 days

Reference Values

Definitive results and an interpretive report will be provided.

Day(s) and Time(s) Performed

Monday through Friday; Varies

Test Classification

See Individual Test IDs

CPT Code Information

82657-RBC enzymes


83915-Pyrimidine 5’ Nucleotidase

LOINC Code Information

Test ID Test Order Name Order LOINC Value
NEEVP Neurologic Enzyme Evaluation In Process


Result ID Test Result Name Result LOINC Value
2734 Pyrimidine 5' Nucleotidase, B 2902-5
2635 Glutathione, B 2383-8
PFK_ Phosphofructokinase, RBC 72664-6
PGK_ Phosphoglycerate Kinase, B 44053-7
TPI_ Triosephosphate Isomerase, B 44054-5
13083 Neurologic Enzyme Interpretation 59466-3

Method Description

See Individual Unit Codes

Reject Due To


Mild OK; Gross reject








Method Name

NEEV: Consultative Interpretation

GLTI, PFK, PGK, TPI, P5NT: Kinetic Spectrophotometry (KS)


1. Metabolic Hematology Patient Information (T810) is available in Special Instructions

2. If not ordering electronically, complete, print, and send a Benign Hematology Test Request Form (T755) with the specimen.