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Epic Code LAB274 Direct Coombs

Important Note

Specimens for Blood Bank must have 2 signatures on the specimen written in ink that is resistant to smearing. See Collection Information for more info.

Test Name Alias

Direct Coombs | DAT | Direct Antiglobulin Test | 8500

Interface Order Alias

60009

Quick Collect

BB 2 SIGNERS

Icons & Photos

6 mL Pink Top (EDTA) 3 mL Lavender Top (EDTA)

Collection Instructions

Specimen Collection: Blood

 

Container(s): 6 mL Pink Top (EDTA) or 3 mL Lavender Top (EDTA)

Preferred Volume to Collect: 6.0 mL

Minimum Volume to Collect: 1.0 mL

Neonate Volume to Collect: 0.5 mL

Capillary collect ok? Yes

 

Collection Instructions:

  • Gently invert EDTA tube(s) 8 - 10 times after collection.
  • Specimens for Blood Bank must have 2 signatures on the specimen written in ink that is resistant to smearing:
    • User ID's or initials of collectors/witnesses
      • Outpatient collection: The patient may serve as witness and initial the tube label.
      • Policytech reference #6476
  • Specimen must be labeled in the presence of the patient with:
    • Patient's first and last name
    • Unique identification number (MRN)
    • Date of collection
  • If there is any question as to the validity of the specimen identification or an inconsistency between current and previous results, a new specimen must be collected.

Processing Instructions (Laboratory, Outpatient or Off-site collection)

Processed Specimen: Whole Blood EDTA

Centrifuge/Spin: No

Aliquot: No

Transport Temperature: Ambient or Refrigerate

Specimen Stability

Ambient: 24 hours

Refrigerate: 48 hours

Laboratory Retention: 7 days

Reflex Information

Link: Reflex approved by MEC

Test Frequency

Available 24 hours, usual TAT 1 day.

Reference Range

Negative

Performing Department

Blood Bank

Performing Department Laboratory Location

Corewell Health Big Rapids Laboratory, Big Rapids, MI
Corewell Health Blodgett Laboratory, Grand Rapids, MI
Corewell Health Butterworth Laboratory. Grand Rapids, MI
Corewell Health Gerber Laboratory, Fremont, MI
Corewell Health Kelsey Laboratory, Lakeview, MI
Corewell Health Ludington Laboratory, Ludington, MI
Corewell Health Pennock Laboratory, Hastings, MI
Corewell Health Reed City Laboratory, Reed City, MI
Corewell Health Greenville Laboratory, Greenville, MI
Corewell Health Zeeland Laboratory, Zeeland, MI
Corewell Health Lakeland St. Joseph Laboratory, St. Joseph, MI

Methodology

Tube technique

CPT

86880

Epic Test ID

1230100612

LOINC

Poly antisera: 1007-4

IgG antisera: 55776-9

C3 antisera: 56471-6

Reviewed Date

2/1/2022