HCHLB - "Hydroxychloroquine, Blood" - Warde Medical Laboratory

New Test

Effective Date

07/28/2026

Included in Report

WML Directory Test Update | July 2026

Test Details

Mnemonic

HCHLB

Ordering Code

3300447

CPT-4 Codes(s)

80220

Turnaround Time

5 - 9 days

Performed

Varies

Legacy Code

HCHLB

Example Report

Download

Specimen Information

Collect

Lavender EDTA

Specimen Preparation

Send 1.0 mL whole blood refrigerated in original collection tube.

Minimum Volume

0.2 mL

Transport Temperature

Refrigerated

Stability

Room temperature: 30 days
Refrigerated: 30 days
Frozen (-20 °C): 30 days

Methodology

High Performance Liquid Chromatography/Tandem Mass Spectrometry

Reference Range

None Detected

Performing Laboratory

NMS Labs

New York DOH Approval Status

Yes

Test Name	Ordering Code	Result Code	Component Name	LOINC Code	AOE Prompt	Units
Hydroxychloroquine, Blood	3300447
		3300447	Hydroxychloroquine, Blood	95921-3	No

The CPT codes provided are for general informational purposes only and are based on an interpretation of AMA guidance. It is the sole responsibility of the billing party to determine CPT codes. Any questions regarding coding should be directed to the paying party.

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HCHLB – “Hydroxychloroquine, Blood”