Ammonia
Order Name
AMMONIA
Test Number: 2000300
Revision Date 07/01/2020
Test Number: 2000300
Revision Date 07/01/2020
| Test Name | Methodology | LOINC Code |
|---|---|---|
|
Ammonia
|
GLDH/UV | 16362-6 |
| SPECIMEN REQUIREMENTS | ||||
|---|---|---|---|---|
| Specimen | Specimen Volume (min) | Specimen Type | Specimen Container | Transport Environment |
| Preferred | 1 mL (0.5) | Plasma | Lithium Heparin PST (Light Green Top) | Frozen |
| Alternate 1 | 1 mL (0.5) | Plasma | EDTA (Lavender Top) | Frozen |
| Instructions | Place specimen on ice immediately after drawing, separate plasma and freeze within 30 minutes or deliver to lab immediately. Stability: 2 hour delay permissible if plasma is separated from cells and kept on ice or refrigerated. Freeze specimen if not going to be tested within 2 hours of collection. Frozen stability 3 weeks. |
|||
| GENERAL INFORMATION | |
|---|---|
| Testing Schedule | Daily |
| Expected TAT | 1-2 days |
| Clinical Use | Useful in the diagnosis and treatment of advanced liver disease and hepatic encephalopathy and Reye's Syndrome. |
| CPT Code(s) | 82140 |
| Internal Comments | 7/11/17 added lav alt spec. - JK 1/23/18 updated specimen transport to Frozen - JK 12/6/19 change processing - JK - from - Place specimen on ice immediately after drawing, separate plasma and freeze within 30 minutes or deliver to lab immediately. Stability: 2 hour delay permissible if plasma is separated from cells and kept on ice or refrigerated. Freeze specimen if not going to be tested within 2 hours of collection. - to - Place specimen on ice immediately after drawing, separate plasma and freeze within 30 minutes or deliver to lab immediately. Stability: 2 hour delay permissible if plasma is separated from cells and kept on ice or refrigerated. Freeze specimen if not going to be tested within 2 hours of collection. Frozen stability 24 hrs 7/1/2020 - JK - change stability with new instument on abbotts.. From: Freeze specimen if not going to be tested within 2 hours of collection. Frozen stability 24 hrs. TO: [(James Webb) -- 07/01/20 09:03:00 AM] Needing the frozen stability changed from 24 hours to 3 weeks on test # 2000300 (Ammonia) |
| Service Provided By |  |
| Lab Section | Chemistry |