HVAC technicians are required to undergo and complete a minimum of six months up to two years of training. Training programs must be taken from technical schools accredited by organizations like HVAC Excellence or (PAHRA) the Partnership for Air-Conditioning, Heating Refrigeration Accreditation.
ICD-9-CM Volume 2 Index entries containing back-references to 783.1: 1  Abnormal, abnormality, abnormalities - see also Anomaly weight gain 783.1 of pregnancy 646.1 with hypertension - see Toxemia, of pregnancy. 2  Excess, excessive, excessively weight 278.02 gain 783.1 of pregnancy 646.1. 3  Gain, weight (abnormal) (excessive) (see also Weight, gain) 783.1.
If you suddenly gain weight, call your doctor. Your doctor may tell you how much weight to watch out for. But in general, call your doctor if you gain 3 lb (1.4 kg) or more in 2 to 3 days.If you are gaining weight slowly, tell your doctor on your next visit.udden weight gain may mean that fluid is building up in your body because your heart failure is getting worse. Knowing how your weight is changing helps you manage your heart failure. It's not hard to track your weight.