Heinz Body Stain
Test Mnemonic
HNZBSN
CPT Codes
- 85441 - QTY (1)
- 85445 - QTY (1)
Aliases
- Heinz-Erlich bodies
- Unstable Hemoglobin
Performing Laboratory
ARUP
FDA Category
Laboratory Developed Test
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 5 mL | Whole blood | EDTA (Lavender) | Refrigerated |
Alternate Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 5 mL | Whole blood | Sodium or Lithium heparin (Green) | Refrigerated |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 2 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Refrigerated | 96 hours |
| Ambient | Unacceptable |
| Frozen | Unacceptable |
Days Performed
Mon - Fri
Turnaround Time
2 - 5 days
Methodology
| Name | Description |
|---|---|
| Stain |
Reference Range
Special Info
Samples > 96 hours old will be rejected. Specimens from infants < 6 months of age are unacceptable; test results are unreliable. This test is New York DOH approved.
Clinical Info
Useful as a nonspecific screen for hemolysis due to drugs/toxins, enzyme deficiencies, thalassemias, and unstable hemoglobins.