Home
HelpTest Code DCOMX Direct coombs (DAT), complement
Additional Codes
| Epic Order Code: | LAB3532 |
| Sunquest Order Code: | DCOMX |
Specimen Required
| Patient Preparation: | |
| Container Type: |
Optimal: Pink Top (EDTA) Acceptable: Lavender |
| Optimal Collection Volume: |
6.0mL whole blood |
| Collection Instructions: |
Collect specimen and gently invert several times to mix. Label the specimen, in the presence of the patient, with full name, date of birth and patient medical record number. |
| Processing Instructions: |
1. Collect sample in pink top container. 2. Label per policy in the presence of the patient. 3. Send whole blood sample to Blood Bank for testing. |
Useful For
A complement DAT test is only performed by BMH dayshift and is performed when ordered as separate test or as part of a transfusion reaction investigation. Testing used to detect the presence of C3b and C3d bound to red cells in vivo.
Method Name
Tube
Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Refrigerated | 3 days | |
| Ambient | 1 day |
Rejection Due To
| Hemolysis | Mild OK; Moderate OK; Gross Reject |
| Lipemia | Mild OK; Moderate OK; Gross Reject |
| Icterus | Mild OK; Moderate OK; Gross Reject |
| Other | N/A |
Post Processing Specimen Type
Whole Blood
Specimen Minimum Volume
Collecting minimum volumes can result in a need for sample recollection, and/or a delay in results. Minimum volumes are subjective and cannot account for all aspects of specimen and testing needs. Refer to the Specimen Required section for optimal volumes for laboratory specimens. Contact the Bronson Laboratory if complex collection exceptions occur that require more information.
| Minimum Volume: | 3.0mL whole blood |
Performing Laboratory
Bronson Laboratory, Laboratory-Kalamazoo
Day(s) Performed
Monday through Sunday--day shift only
CPT Code Information
86880-Coombs, direct
Sample Retention Time
Blood Bank specimens (other than Cord Blood) are retained in the Blood Bank for 30 days. Pretransfusion testing should be completed within 2 days of collection.