Lab Test Details
|
SIM |
11970 |
|
CPT |
83930 |
|
Synonyms |
Serum Osmo |
|
Specimen Type |
Serum |
|
Container |
4.0 ml Gold-top serum separator |
|
Collection Instructions |
None |
|
Volume |
2 ml serum, minimum 0.5 ml |
|
Additional Information |
none |
|
Patient Preparation |
none |
|
Specimen Processing Instructions |
Serum: Allow to clot. Centrifuge at 3380 rpm’s (±100) for a minimum of 10 minutes Centrifuge within 2 hours of collection. |
|
Transport Requirements |
Refrigerate serum if the sample will be tested that day. If the serum can not be processed the same day, freeze. Frozen specimens are stable one week. |
|
Specimen Stability |
If the serum sample cannot be processed the same day, freeze. Frozen: 7 days |
|
Rejection Criteria |
If not centrifuged within 2 hours of collection. |
|
Reference Range |
271-318 mOsm/kg |
|
Critical Value |
<250 mOsm/kg; >330 mOsm/kg |
|
Test Includes |
Serum Osmolality |
|
Methodology |
Freezing-point measurement |
|
Testing Frequency |
Daily, Monday - Sunday |
|
|
|
|
Reviewed By |
Crystal M. Killian |
|
Reviewed Date |
3/18/2021 |
|
Supplemental |
|