Horowitz index adjusted to patients actual temperature in Venous blood 50991-9
LOINC Code
| LOINC code | 50991-9 | ||
|---|---|---|---|
| name | Horowitz index adjusted to patients actual temperature in Venous blood | ||
| description | A ratio with numerator = venous oxygen partial pressure (PaO2) in mmHg and denominator = fraction of inspired oxygen (FIO2) with no units. If the patient is breathing room air (20% O2) the fraction would be 0.20. It is reported in mmHg. It is a well established marker for lung function during mechanical ventilation and used in many acuity scores like SAPS II, SAPS III, and SOFA. | ||
| status | ACTIVE | ||
Fully-Specified Name | |||
| component | Horowitz index^^adjusted to patient's actual temperature | ||
| property | Ratio | ||
| time | Pt = Point in time: To identify measures at a point in time. This is a synonym for “spot” or “random” as applied to urine measurements. | ||
| system | BldV+Inhl gas Inhl gas = Inhaled gas BldV = Blood venous | ||
| scale | Qn = Quantitative: The result of the test is a numeric value that relates to a continuous numeric scale. Reported either as an integer, a ratio, a real number, or a range. The test result value may optionally contain a relational operator from the set {<=, <, >, >=}. Valid values for a quantitative test are of the form "7", "-7", "7.4", "-7.4", "7.8912", "0.125", "<10", "<10.15", ">12000", 1-10, 1:256 | ||
| method | |||
Additional Names | |||
| short name | Horowitz index temp adj BldV+IhG-Rto | ||
Basic Attributes | |||
| class | CHEM | ||
| type | 1 Laboratory | ||
| order vs. observation | Both | ||
| formula (readable) | arterial oxygen partial pressure [(PaO2) in mmHg]/ fraction of inspired oxygen | ||
Associated Observations | |||
LOINC codes that represent optional associated observation(s) for a clinical observation or laboratory test. A LOINC term may represent a single associated observation or panel containing several associated observations. | |||
History/Usage | |||
| test rank | 7385 of 2000 most commonly performed tests by labs in USA | ||
| first released | |||
| last updated | 2.73 | ||
| last change type | MIN - change to field other than name | ||
Related Names | |||
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