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Lab Manual for Moffitt-Long and Mount Zion

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Acid Hemolysis

Item Value
Approval req'd? Yes, contact Hematology, x3-1747.
Available Stat? No
Test code AHEM
Performed by Quest
Sendout? Yes
Method Complement Lysis
Container type Lavender top
Amount to Collect 5 mL blood
Sample type EDTA whole blood
Preferred volume 5 mL blood
Min. Volume 1 mL blood
UCSF Rejection Criteria Hemolysis.
Processing notes A fresh sample is required. Refrigerate. Do NOT centrifuge. Do not freeze. Order Quest # 5512X
Ref Lab Rejection Criteria Frozen sample. Hemolysis
Normal range Negative
Synonyms Ham's Test; Acidified serum ; Hereditary erythroblastic multinuclearity with positive acidified serum test; HEMPAS
Stability Room Temp: 72 hours, Refrigerated: 4 days
Turn around times Test performed daily. Turnaround time: 1-3 days.
Additional information This test is indicated only for the rare cases of suspected HEMPAS (Hereditary Erythroblastic Multinuclearity with a Positive Acidified Serum Test). For PNH testing see Paroxysmal Nocturnal Hemoglobinuria Cell Markers.
CPT coding 85475-90
LOINC code 13533-5
Last Updated 10/2/2010 11:51:14 AM
Entry Number 7

If you have additional questions regarding this test, please call: 415-353-1667

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