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HelpTest Code CDWK Cord Blood Testing for Suspected HDN
Additional Codes
LAB892
Specimen Required
| Patient Preparation: |
Cord Blood Specimens must have cord blood indicated on label. If cord blood is not available |
| Container Type: |
Optimal: Cord Blood--Lavender Acceptable: Heel Stick--Lavender Microtainer |
| Optimal Collection Volume: |
6.0mL Cord Blood 1.5mL Heel Stick |
| 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 cord blood (or heel stick) sample. 2. Label per policy in the presence of the patient. 3. Send whole blood sample to Blood Bank for testing. |
Useful For
The evaluation of possble causes/signs of Hemolytic Disease of the Fetus and Newborn (HDFN) and to identify mothers who are Rh Immunoglobulin candidates.
Profile Information
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| %ABR | ABO/RH | Yes | Yes |
| %DIG | DAT | Yes | Yes |
Method Name
Gel
Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Refrigerated | 3 days | |
| Ambient | 1 days |
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.
| Neonate Volume: |
0.5mL whole blood 1.5mL cord blood |
Performing Laboratory
Bronson Laboratory, Blood Bank - Kalamazoo and Battle Creek
Day(s) Performed
24/7
LOINC Code Information
51892-8
CPT Code Information
| Test ID | Test Order Name | CPT Code |
|---|---|---|
| ABR | ABO/RH | 86900/86901 |
| DIG | Coombs, Direct (DAT) | 86880 |
Sample Retention Time
Blood Bank specimens (other than Cord Blood) are retained in the Blood Bank for 30 days. Cord Blood is retained in the Blood Bank for 14 days. Pretransfusion testing should be completed within 2 days of collection.