Preferred Label : Gas panel:-:Pt:BldA:Qn:;
LOINC status : ACTIVE;
LOINC display name : Gas panel (BldA);
LOINC long common name : Gas panel - Arterial blood;
LOINC common name : Gas panel in blood- arterial;
LOINC short name : Gas Pnl BldA;
LOINC description : Knowing the concentration of inspired O2 is important to the interpretation of PO2
results. Inspired O2 can be recorded in two ways- as percent- of O2 delivered to the
patient (Venturi mask, re-breather mask, or ventilator) or as liters of oxygen per
minute (nasal canula). This panel includes terms for recording the inspired O2 in
either fashion. But because only one will apply and labs do not always receive this
information they are designated as optional. The term oxygen saturation is often used
to refer to two distinctly different quantities, hemoglobin oxygen saturation (recommended
symbol sO2) and fractional oxyhemoglobin (recommended symbol FO2Hb). The former
is sometimes called functional oxygen saturation and the later, fractional oxygen
saturation Hemoglobin oxygen saturation is the amount of oxyhemoglobin expressed
as the percent of the hemoglobin able to bind oxygen, i.e. oxyhemoglobin (O2Hb)
deoxyhemoglobin (HHb). sO2 100 x O2Hb/ (O2Hb HHb) Fractional oxyhemoglobin the
amount of oxyhemoglobin expressed as a percent of the total hemoglobin, where tHb
O2Hb HHb [COHb MetHb SulfHb]. Note that COHb, MetHb, and SulfHb, cannot carry
oxygen and are thus called dyshemoglobins. FO2Hb O2Hb/tHb Gas machines that can
measure carbon monoxide, could, in principle, also report FO2Hb, and we had assumed
that they would. However, at least some machines that do measure COHb and MetHb provide
no option for reporting FO2Hb, and report only sO2. When mapping blood gas panels
that report COHb% and also report FO2Hb, map that term to the LOINC term with the
component of Oxyhemoglobin /Total hemoglobin. If such an instrument reports only oxygen
saturation, verify with the lab that they are really reporting a functional O2 sat
and not the Fractional Oxyhemoglobin, because the two are not always correctly labeled.
If it is sO2 then map it to the LOINC term with a component of Oxygen saturation.
When you are mapping data from a simpler Blood gas instrument (one that can read fewer
than 4 wave lengths), then the O2 saturation will likely be a sO2. So map also moat
that variable to the LOINC with a component of Oxygen Saturation. (Source: McD derived
from Gill and McD- 2009 09);
LOINC Class : CHEM-gas;
Origin ID : 24336-0;
UMLS CUI : C0882492;
Has component
- Has system
- Has time aspect
- Panel of LOINC codes
- Part of panel
- Semantic type(s)
