Clinics and Departments

Laboratory Services

Lab Dept:

Anatomic Pathology

Test Name:

CHROMOSOME, BLOOD, NEWBORN <21 DAYS

General Information

Lab Order Codes:

CROMN

Synonyms:

FISH Locus Probe for DiGeorge Syndrome

CPT Codes:

88230 – tissue culture for non-neoplastic disorders
88264 – Chromosome analysis; analyze 20-25 cells

Test Includes:

N/A

Logistics

Test Indications:

N/A

Lab Testing Sections:

Anatomic Pathology - Sendouts

Referred to:

Fairview University Cytogenetics

Phone Numbers:

MIN Lab: 612-813-6280

STP Lab: 651-220-6550

Test Availability:

Daily

Turnaround Time:

Verbal results within 48 hours. Written reports within 8 days.

Special Instructions:

Special tube required. See Container, contact the laboratory for appropriate tube.

Specimen

Specimen Type:

Whole blood

Container:

Green top (Sodium Heparin), no gel, tube

Draw Volume:

1 mL (Minimum: 1 mL) blood

Processed Volume:

Same as Draw Volume

Collection:

Routine venipuncture

Special Processing:

Lab Staff: Do Not centrifuge. Forward specimen to Send Outs. Store and ship at room temperature. Must arrive at reference lab within 24 hours of collection.

Order in Atlas and include collect date/time, ordering MD, specimen type, diagnosis/reason for referral.

Patient Preparation:

None

Sample Rejection:

Improper storage, mislabeled or unlabeled specimen

Interpretive

Reference Range:

An interpretive report will be provided

Critical Values:

N/A

Limitations:

N/A

Methodology:

Methodology is determined by lab director based on clinical indications.

References:

Fairview University Laboratories September 2010



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