Test Code MIW Mother-Infant Work-Up, Pretransfusion
Additional Codes
Epic Order Code: | LAB2375 |
Sunquest Order Code: | MIW |
Specimen Required
Patient Preparation: |
Testing requires a whole blood specimen from infant as well as Cord Blood (if available) and Mother's whole blood specimen (if available). |
Container Type: |
Optimal: Whole Blood: Mother--Pink Top (EDTA) Infant--Lavender microtainer
Cord Blood: Lavender Acceptable: Mother--Lavender Cord Blood--Pink top or Red Top
|
Optimal Collection Volume: |
Mother: 6.0mL Whole Blood Infant: 1.0mL Whole Blood 6.0mL Cord 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 (or lavender for cord blood) container. 2. Label per policy in the presence of the patient. Label cord blood as such. 3. Send whole blood sample to Blood Bank for testing. |
Useful For
ABO, Rh and maternal antibody screen to detect clinically significant unexpected anitbodies in order to provide compatible blood components to neonates.
Profile Information
Test ID | Reporting Name | Available Separately | Always Performed |
---|---|---|---|
ABR | ABO/RH | Yes | Yes |
AS | Antibody Screen | Yes | No |
DIG | DAT | Yes | Yes |
MABR | Maternal ABO/RH | Yes | Yes |
MASC | Maternal Anitbody Screen | Yes | Yes |
Method Name
Gel and Tube
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.
Minimum Volume: | 1.0mL whole blood |
Neonate Volume: |
0.5mL whole blood 1.5mL cord blood |
Performing Laboratory
Bronson Laboratory, Blood Bank-Kalamazoo
Day(s) Performed
24/7
LOINC Code Information
<If only single LOINC, delete table below>
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
CPT Code Information
Test ID | Test Order Name | Order CPT Code |
---|---|---|
ABR | ABO/RH | 86900/86901 |
MABR | Maternal ABO | 86900/86901 |
ASC | Anitbody Screen | 86850 |
MASC | Maternal Anitbody Screen | 86850 |
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 specimens are held for 14 days. Pretransfusion testing should be completed within 2 days of collection.