Test Overview
Test Methodology

Hemolysis

Test Usage

To rule out the diagnosis of paroxysmal cold hemoglobinuria (PCH) in cases of hemoglobinuria, cold exacerbated hemolysis, unusual presentation of apparent warm or cold autoimmune hemolytic anemia (AIHA). A positive test is considered diagnostic for PCH.

Reference Range *

Interpretive report provided under Immunohematology Consult.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details
Days Set Up
Monday - Friday
Analytic Time

1 Day

Soft Order Code
DLINT
MiChart Code
DL INTERP
Synonyms
    Laboratory
    Blood Bank
    Reference Laboratory
    N/A
    Section
    Blood Bank
    STAT Availability

    Testing time is 5 hours for initial result. Blood Bank Pathologist performs a clinical review found in the Immunohematology Consult Report.

    Specimen Requirements
    Collection

    Collect samples and immediately store in 37 C warm sand for transport to Blood Bank.
    Warm sand thermos is available in Chemistry.

    Collection Instructions

    See Donath Landsteiner Test for Outpatients

    Special Handling

    Collect samples and immediately store in 37 C warm sand for transport directly to Blood Bank.
    Warm sand thermos is available in Chemistry.
    Samples must be received in Blood Bank by 12 noon for same-day processing.

    Alternate Specimen
    N/A
    Normal Volume
    8 mL serum
    2 mL EDTA whole blood
    Minimum Volume
    4 mL serum
    1 mL EDTA whole blood
    Storage Temperature
    Store at 37 C immediately after collection.
    Store at 4 C after separating serum from cells.
    Rejection Criteria
    Samples displaying hemolysis, collected in serum separator tubes, contaminated, of inadequate volume or not properly identified will be rejected.
    Billing
    CPT Code
    86941
    Fee Code
    21259
    LOINC
    18787-3
    NY State Approved
    No