TEST CHANGES Please Note: Not all test codes assigned to each assay are listed in the table of contents. Please refer to the complete listing on the page numbers indicated.
Test Code	Former Test Code	Test Name	Effective Date	Page #
35489		Hemoglobinopathy Evaluation	6/21/2021
647		Methemoglobin Blood	6/21/2021
17365		Thalassemia and Hemoglobinopathy Comprehensive	6/21/2021

Note: It may be 24 - 48 hours after the published effective date before this test information is available on the Online Test Directory or in Quanum™.

Test Changes

The following test changes will be effective on the dates indicated below. Please note information that is changing appears in bold text in this update. Former test names and test codes have been italicized.

Hemoglobinopathy Evaluation

Effective Date

6/21/2021

Test Code

35489

Reference Range

Result Code	Result Name	Age	Gender	Reference Range	Unit Of Measure
30000100	Red Blood Cell Count	If no age provided	Males	4.20-5.80	Million/uL
30000100	Red Blood Cell Count	If no age provided	Females	3.80-5.10	Million/uL
30000200	Hemoglobin	If no age provided	Males	13.2-17.1	g/dL
30000200	Hemoglobin	If no age provided	Females	11.7-15.5	g/dL
30000300	Hematocrit	If no age provided	Males	38.5-50.0	%
30000300	Hematocrit	If no age provided	Females	35.0-45.0	%
MCV - No Change
MCH - No Change
RDW - No Change

Performing Site

Quest Diagnostics Nichols Institute, Chantilly

Methemoglobin Blood

Message

**This test is now available for New York patient testing**

Effective Date

6/21/2021

Test Code

647

CPT Codes

83050

Specimen Requirements

Preferred:
1 mL (0.5 mL minimum) whole blood collected in a sodium heparin (green-top) tube

Acceptable:
EDTA (lavender-top) tube

Reject Criteria

Room temperature

Instructions

Specimen must be analyzed within 48 hours of venipuncture. Time drawn must be indicated on requisition.

Unless otherwise specified, refrigerate sample until transport.

Note: This test is performed on a Stat basis.

Specimen Stability

Room temperature	1 hour
Refrigerated	48 hours
Frozen	Unacceptable

Reference Range

Result Code	Result Name	Reference Range	Unit Of Measure	LOINC Code
80065300	Methemoglobin (B)	0.0 – 2.9	% of total Hgb

Performing Site

Quest Diagnostics Nichols Institute, Chantilly

Interface Mapping

Standard Mapping
Result Code			Result Name
80065300			Methemoglobin (B)

Thalassemia and Hemoglobinopathy Comprehensive

Effective Date

6/21/2021

Test Code

17365

Reference Range

Result Code	Result Name	Age	Gender	Reference Range	Unit Of Measure
Hemoglobin A - No Change
Hemoglobin F - No Change
Hemoglobin A2 (Quant) - No Change
Hemoglobin A2 Prime - No Change
Hemoglobin S - No Change
Hemoglobin C - No Change
Hemoglobin D - No Change
Hemoglobin G - No Change
Hemoglobin Lepore - No Change
Hemoglobin E - No Change
Hemoglobin Barts - No Change
Variant Hemoglobin - No Change
30000100	Red Blood Cell Count	If no age provided	Males	4.20-5.80	Million/uL
30000100	Red Blood Cell Count	If no age provided	Females	3.80-5.10	Million/uL
30000200	Hemoglobin	If no age provided	Males	13.2-17.1	g/dL
30000200	Hemoglobin	If no age provided	Females	11.7-15.5	g/dL
30000300	Hematocrit	If no age provided	Males	38.5-50.0	%
30000300	Hematocrit	If no age provided	Females	35.0-45.0	%
MCV - No Change
MCH - No Change
MCHC - No Change
RDW - No Change
Ferritin - No Change

Performing Site

Quest Diagnostics Nichols Institute, Chantilly