Complication Flags based on Procedure and Diagnosis ICD

complication flag and complication excluding POA

complication_flags(
  original_data = analytic_readmit,
  std_data_root = wd$std_data_root,
  fac_codes_folder = "fac_clm_code",
  year = 2007,
  max_year = 2018,
  cmp_pr,
  cmp_dx,
  all_n
)

Arguments

original_data

data name for the data you want to add the info to

std_data_root

data path to the standardized data folder

fac_codes_folder

folder name for fac_code

year

select one year to process, e.g. 2007

max_year

the most recent medicare year we have; for example, in 2020, we have Medpar processed up to 2018

cmp_pr

procedure ICD code list used to define complication

cmp_dx

diagnosis ICD code list used to define complication

all_n

number of digits to match with ICD code

Value

add two variables; complication and complication w/o POA

Details

POA var only available after 2010-01-01.(no poa var recorded before)

1. Create the ICD9/10 Dx/PR to complications mapping format

2. Create the complication flags at the DX/PR code level (poa and w/o poa) note: both DX and pr code are used to define complication, however pr should be within 30days, dx has no time frame.