|
|
| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Electrolytes, Arterial
Test CodeELECTROLYTES,ARTERIAL
Alias/See Also
Lytes
Chemistry
Chemistry
Includes
Sodium, potassium and chloride
Preferred Specimen
Arterial blood in lithium heparin syringe. Must deliver to lab at room temperature withing 30 minutes of draw.
Transport Temperature
Transport Room Temperature
Specimen Stability
Must deliver to lab at room temperature within 30 minutes of draw.
Setup Schedule
Daily
Report Available
TAT 1 day
Reference Range
| Test | Unit | Reference Range | Reportable | ||
| Arterial | Venous | Mixed | Range | ||
| Sodium | mmol/L | 136-145 | 100-180 | ||
| Potassium | mmol/L | 3.5 –5.1 | 1-10.1 | ||
| Chloride | mmol/L | 98-107 | 72-158 | ||
| Glucose | mg/dL | 65-95 | 18-685 | ||
| Ionized calcium | mg/dL | 4.60-5.32 |
4.64-5.32 |
1.1-13.12 | |
| Lactic Acid | Mmol/L | 0.36-0.75 | 0.56-1.39 | 0.3-17 | |
| PH | pH | 7.35-7.45 | 7.32-7.43 | 7.32-7.43 | 6.80-7.92 |
| PCO2 | mmHg | Male: 35-48 Female: 32-35 |
Male: 41-52 Female: 38-41 |
36-52 | 18-126 |
| PO2 | mmHg | 83-108 | 42-501 | ||
| HCO3* | mmol/L | 21-28 | 22-29 | 22-29 | |
| BE* | mmol/L | (-2) - (+3) | (-2) - (+3) | (-2) - (+3) | |
| Anion Gap* | mmol/L | 10-20 | |||
| O2 SAT* | % | 94.0-98.0 | |||
| COHb | % | < 3.0 (nonsmoker) < 10.0 (smoker) |
< 3.0 (nonsmoker) < 10.0 (smoker) |
< 3.0 (nonsmoker) < 10.0 (smoker) |
0.3-75 |
| MetHb | % | 0.0-1.5 | 0.0-1.5 | 0.0-1.5 | 0.7-30 |
Critical values.
| Analyte | Results | |
| SODIUM,ARTERIAL | < 120 | > 160 |
| POTASSIUM,ARTERIAL | < 2.8 | > 6.0 |
| CHLORIDE,ARTERIAL | < 60 | > 150 |
| CALCIUM, ION. VENOUS | < 3.0 | > 6.5 |
| CALCIUM, ION. ARTER | < 3.0 | >6.5 |
| GLUCOSE, ARTERIAL | 50 | 500 |
Clinical Significance
see individual tests
Performing Laboratory
Test performed at West Roxbury Chemistry Lab
Contact: Jonathan Dryjowicz-Burek 857-203-5973
Last Updated: April 17, 2026
