Yale-New Haven Hospital

Department of Laboratory Medicine
Test Directory

[ Test Name Index ]

[ Home & References ]

Osmotic fragility, RBC

Lab Section: 

Special Hematology

 

 

Lab Location: 

Main Lab

 

Test ID: 

LAB1134

 

Synonyms: 

OF

Methodology: 

Spectrophotometry

Schedule: 

Mon-Thurs days: schedule with lab (203 200-5227)

Reported: 

2-3 days

Specimen Requirements: 

Collection: 4.0 mL Blood in a Dark Green Top Tube.
Pediatric volume: 1.0 mL.
This test requires one Dark Green Top tube containing Lithium Heparin. Specify patient age and sex.
Transport: Deliver to lab within 12 hours of collection at ambient temperature.
Unacceptable conditions: Frozen blood. Hemolyzed samples will be cancelled.
Stability: Ambient: within 12 hours of collection

 

Notes: 

Clinical Indications: For evaluation of suspected RBC membrane disorders associated with abnormal osmotic fragility (e.g., hereditary spherocytosis).

Tests in this Panel: 

Test Name

Reference Interval

 

 

 

Fresh, unincubated 0.50% saline [LRR11353]

Age Limit

Sex

Normal Range

0 Days up to 999 Years

Female

0

10 %

0 Days up to 999 Years

Male

0

14 %

 

 

 

 

Incubated 24 hours 0.55% saline [LRR11354]

Age Limit

Sex

Normal Range

0 Days up to 999 Years

Female

42

76 %

0 Days up to 999 Years

Male

35

82 %

Incubated 24 hours 0.60% saline [LRR11355]

Age Limit

Sex

Normal Range

0 Days up to 999 Years

Female

8

45 %

0 Days up to 999 Years

Male

7

56 %

Incubated 24 hours 0.65% saline [LRR11356]

Age Limit

Sex

Normal Range

0 Days up to 999 Years

Female

0

16 %

0 Days up to 999 Years

Male

0

23 %

CPT Code(s): 

85555, 85557

 

 

Last Changed:

 

Last Reviewed:  

 

8/17/2017 12:47 PM

 

8/17/2017 12:47 PM