OSMOTIC FRAGILITY, ERYTHROCYTE

Mnemonic

OSMFG

Specimen Collection Requirements

Collect

Whole Blood, one green (sodium or lithium heparin) or one lavender (EDTA) top tube AND 2 unfixed, air-dried and unstained smears to accompany the collected blood

Handling

Transport 2 unfixed, air-dried, and unstained smears to accompany the collected blood (smears should be made from the blood submitted; Min: 2 smears) AND 5 mL whole blood (Min: 1 mL). Specimens should be refrigerated within 30 minutes after collection. Samples are sent Mon-Fri only.

Preferred Volume

5.0 mL AND 2 unfixed smears

Minimum Volume

1.0 mL AND 2 unfixed smears

Transport

Refrigerated 2-8°C

Rejection Criteria

Hemolyzed blood

Stability

Ambient: Unacceptable; Refrigerated: 72 hours; Frozen: Unacceptable

Testing Information

Performed

Mon - Fri

Reported

1-5 days

Method

Spectrophotometry

Referral Lab

ARUP (2002257)

Reference Values

Reference Values

Interpretation provided.

CPT Codes

85555

Last Updated: Thursday, January 5, 2017 03:42:24 AM