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.
Abnormal levels of other serum enzymes. 1  R74.8 is a billable ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. 2  Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes. 3  This is the American ICD-10-CM version of R74.8.