Test ID: REVP
Erythrocytosis Evaluation
Secondary ID 
A test code used for billing and in test definitions created prior to November 2011
NY State Approved Indicates the status of NY State approval and if the test is orderable for NY State clients.
Useful For Suggests clinical disorders or settings where the test may be helpful
The definitive evaluation of an individual with JAK2-negative erythrocytosis associated with lifelong sustained increased RBC mass, elevated RBC count, hemoglobin, or hematocrit
Profile Information A profile is a group of laboratory tests that are ordered and performed together under a single Mayo Test ID. Profile information lists the test performed, inclusive of the test fee, when a profile is ordered and includes reporting names and individual availability.
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| REV | Erythrocytosis Interpretation | No | Yes |
| A2F | Hemoglobin A2 and F | Yes | Yes |
| HBEL | Hemoglobin Electrophoresis, B | No | Yes |
| P50X | Oxygen Dissociation P50 | No, (Order P50) | Yes |
| P50C | P50 Interpretation | No, (Order P50) | Yes |
| IEF | IEF Confirms | No | Yes |
Reflex Tests Lists test(s) that may or may not be performed, at an additional charge, depending on the result and interpretation of the initial test(s)
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| HPFH | Hemoglobin F, Red Cell Distrib, B | Yes | No |
| UNHB | Hemoglobin, Unstable, B | Yes | No |
| SDEX | Hemoglobin S, Scrn, B | Yes | No |
| HGBMO | HGB Electrophoresis, Molecular | No | No |
| MASS | Hb Variant by Mass Spec, B | No | No |
| HEMP | Hereditary Erythrocytosis Mut, B | Yes | No |
Testing Algorithm Delineates situation(s) when tests are added to the initial order. This includes reflex and additional tests.
This is a consultative evaluation in which the case will be evaluated at Mayo Medical Laboratories, the appropriate tests performed at an additional charge, and the results interpreted.
For additional information on hemoglobin O2, see Hemoglobin-O2 Affinity p50 Testing (Oxygen Dissociation, p50, Erythrocytes) in Special Instructions.
Also see Erythrocytosis Evaluation Testing Algorithm in Special Instructions
Special Instructions and Forms Describes specimen collection and preparation information, test algorithms, and other information pertinent to test. Also includes pertinent information and consent forms to be used when requesting a particular test
Method Name A short description of the method used to perform the test
REV/174: Consultative Interpretation
A2F/83341: Cation Exchange/High-Performance Liquid Chromatography (HPLC)
HBEL/81428: Capillary Electrophoresis
P50/9110: Hemox-Analyzer Measures and Plots O(2) Saturation
IEF/81644: Electrophoresis
MASS/60286: Mass Spectrometry (MS)
HGBMO/29374: Polymerase Chain Reaction (PCR) Analysis/Multiplex Ligation-Dependent Probe Amplification (MLPA), Polymerase Chain Reaction (PCR)/DNA Sequencing
(PCR is utilized pursuant to a license agreement with Roche Molecular Systems, Inc.)
Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name
Aliases Lists additional common names for a test, as an aid in searching
Polycythemia
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