Test ID PHD2 Prolyl Hydroxylase Domain-2 (PHD2/EGLN1) Gene Sequencing, Whole Blood
Useful For
Assessing PHD2/EGLN1 in the evaluation of an individual with JAK2-negative erythrocytosis associated with lifelong sustained increased red blood cell (RBC) mass, elevated RBC count, hemoglobin, or hematocrit
Method Name
Only orderable as part of a profile. For more information see HEMP / Hereditary Erythrocytosis Mutations, Whole Blood.
Polymerase Chain Reaction (PCR)/Sanger Sequencing
Reporting Name
PHD2 Gene, Mutation Analysis, BSpecimen Type
Whole bloodSpecimen Required
Only orderable as part of a profile. For more information see HEMP / Hereditary Erythrocytosis Mutations, Whole Blood.
Container/Tube: Lavender top (EDTA)
Specimen Volume: 3 mL
Collection Instructions: Send whole blood specimen in original tube. Do not aliquot.
Specimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Whole blood | Refrigerated (preferred) | 30 days |
| Ambient | 14 days |
Reference Values
Only orderable as part of a profile. For more information see HEMP / Hereditary Erythrocytosis Mutations, Whole Blood.
An interpretive report will be provided.
Day(s) Performed
Monday through Friday
Performing Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
81479
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| PHD2 | PHD2 Gene, Mutation Analysis, B | In Process |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 34646 | PHD2 Gene Sequencing Result | 82939-0 |