Hb Disorder Thalassemia Reflex Pnl w/CBC

General Information

Lab Name

Lab Code

HBTHLI

Epic Ordering

Hb Disorder Thalassemia Reflex Pnl w/CBC

Description

CBC & diagnostic testing for thalassemia and hemoglobinopathies with interpretation. Includes hemoglobin electrophoresis by isoelectric focusing, HPLC quantification of hemoglobins F and A2, and quantification of hemoglobins S, C, D, or E if present. Additional testing is performed for patients with microcytic RBC indices at added cost.

Synonyms

Hemoglobin Phenotype, Hemoglobin Variant Interpretation, Hemoglobinopathy, Microcytic RBC, Quantitative Hemoglobin Electrophoresis, red cell, Synonyms: Hb Elp, Thal/Hemoglobinopathy, Thalassemia Reflex with CBC

Components

Code	Name
CBC	CBC (Hemogram)
WBC	WBC
RBC	RBC
HB	Hemoglobin
HCT	Hematocrit
MCV	MCV
MCH	MCH
MCHC	MCHC
PLT	Platelet Count
RDWCV	RDW CV
HBTHAL	Hb Disorder Thalassemia Reflexive Panel
HBA2Q	Hemoglobin A2 Quantification by HPLC
HBF	Hemoglobin F Quant by HPLC
HBDET	Hemoglobins Detected
ZZNTRP	Thal./Hemoglobinopathy Interp.
ZZNTF	Thalassemia Screen Result
DATE1	Date Formal Report Sent
PATHF	Pathologist Consult Hb/Thal Testing

Interpretation

Method

See individual components

Reference Range

See individual components

Guidelines

Red Cell Disorders Laboratory

Ordering & Collection

Specimen Type: Blood
Collection: 3 mL LAVENDER TOP tube

Pediatric draw: 3 LAVENDER TOP MICROTAINERS
Forms & Requisitions: Thalassemia Data Sheet
Handling Instructions
Quantity: requested: 3 mL whole blood
minimum: 2.5 mL whole blood

Processing

Processing: For outside locations, see HBTHAL. If CBD or CBANC or CBC is also ordered, Login using mnemonic: HBTHAL. During the login, please enter exact birthdate as specified on Data Sheet.Processing: You will receive 2 receipt labels, LP-Lavender for CBC, LH-Lavender for HBTHAL

CBC: Lavender top MUST be processed by Lab within 24 hour of blood collection.
Accept even with less sample, or without the RCD Data Sheet. RCD will determine which tests can be done with the limited sample.

UW-MT Instructions, as above plus: Hematology will return Lavender tube used for CBC back to SPS to forward to RCD.

Stability for Thalassemia tests: EDTA: Refrigerated, 7 days. Ambient, 2 days

Unacceptable: Other anticoagulants, Frozen specimens.

Performance

LIS Dept Code

Performing Location(s)

HMC	Red Cell Disorders 206-520-4600 325 9th Ave, Rm # GWH-47, Seattle, WA 98104-2420

Frequency

CBC, as received Thalassemia assays, Monday - Friday

Available STAT?

Billing & Coding

CPT codes: 83020x2, 83021, 85027
LOINC: 18723-7
Interfaced Order Code: UOW4931