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Test ID: REVP    
Erythrocytosis Evaluation

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CPT Code Information Provides guidance in determining the appropriate Current Procedural Terminology (CPT) code(s) information for each test or profile. The listed CPT codes reflect Mayo Medical Laboratories interpretation of CPT coding requirements. It is the responsibility of each laboratory to determine correct CPT codes to use for billing.

Erythrocytosis Evaluation

82664-IEF confirms

82820-Hemoglobin O2 affinity (p50)

83020-Hemoglobin electrophoresis

83021-Hemoglobin A2 and F


Hemoglobin, Unstable, Blood

83068 (if appropriate)


Hemoglobin Variant by Mass Spectroscopy (MS), Blood

83789 (if appropriate)


Hemoglobin S, Screen, Blood

85660 (if appropriate)


Hemoglobin F, Red Cell Distribution, Blood

88184 (if appropriate)


Hemoglobin Electrophoresis, Molecular

81257 x 2-HBA1/HBA2 (alpha globin 1 and alpha globin 2) (eg, Alpha thalassemia, Hb Bart hydrops fetalis syndrome, HBH disease) gene analysis for common deletions or variant (eg, Southeast Asian, Thai, Filipino, Mediterranean, alpha3.7, alpha4.2, alpha20.5, and Constant Spring) (if appropriate)

81401-HBB (hemoglobin, beta) (eg, sickle cell anemia, hemoglobin C, hemoglobin E), common variants (eg, HbS, HbC, HbE) (if appropriate)

81403-HBB (hemoglobin, beta, beta-globin) (eg, beta thalassemia), duplication/deletion analysis (if appropriate)

81404-HBB (hemoglobin, beta, Beta-Globin) (eg, thalassemia), full gene sequence (if appropriate)


Hereditary Erythrocytosis Mutations

81479-Unlisted molecular pathology procedure


Von Hippel-Lindau (VHL) Gene, Full Gene Analysis

81404-VHL (von Hippel-Lindau tumor suppressor) (eg, von Hippel-Lindau familial cancer syndrome), full gene sequence

LOINC® Code Information Provides guidance in determining the Logical Observation Identifiers Names and Codes (LOINC) values for the result codes returned for this test or profile.

Result IDReporting NameLOINC Code
2380Hemoglobin A20572-4
81644IEF Confirms49316-3
2381Hemoglobin A24551-8
9110Oxygen Dissociation P50, RBC19214-6
174Erythrocytosis Interpretation59466-3
2382Hemoglobin F4576-5
29224Variant 2In Process
29225Variant 3In Process

LOINC and CPT codes are provided by the performing laboratory.