Convert Decimal format ICD codes to short format

Source: R/convert.R

This usually just entails removing the decimal point, but also does some limited validation and tidying up. Missing leading zeroes will be added for correctness of the shortened codes.

decimal_to_short(x)

# S3 method for icd9
decimal_to_short(x)

# S3 method for icd10
decimal_to_short(x)

# S3 method for icd10cm
decimal_to_short(x)

# S3 method for default
decimal_to_short(x)

Arguments

x

ICD codes

Methods (by class)

  • icd9: convert ICD-9 codes from decimal to short format

  • icd10: convert ICD-10 codes from decimal to short format

  • icd10cm: convert ICD-10-CM codes from decimal to short format

  • default: Guess ICD version and convert decimal to short format

See also

Other ICD data conversion: comorbid_df_to_mat(), comorbid_mat_to_df(), convert, long_to_wide(), short_to_decimal(), wide_to_long()