Source:http://linkedlifedata.com/resource/umls/id/C1883387
NCI: A supine position with the person inclined at an angle of 45 degrees so that the pelvis is higher than the head.,NCI: A supine position with the person inclined at an angle of 45 degrees so that the pelvis is higher than the head. (NCI),HL7V3.0: <p>Lying on the back, on an inclined plane, typically about 30-45 degrees, with head lowered and feet raised.</p><p><b><i>Deprecation Comment:</i></b>This concept has been deprecated because it does not describe a type of Act (as it should in the ActClass code system), but rather encodes the result or value of an observation. The same code has been added to the ObservationValue code system.</p>,HL7V3.0: <p>Lying on the back, on an inclined plane, typically about 30-45 degrees, with head lowered and feet raised.</p>