Test whether an ICD code is major

Codes without real or implied decimal place return TRUE

# S3 method for default
is_valid(x, short_code = guess_short(x), ...)

is_valid_major(x, whitespace_ok = TRUE)

# S3 method for default
is_valid_major(x, whitespace_ok = TRUE)

# S3 method for icd9
is_valid_major(x, whitespace_ok = TRUE)

# S3 method for icd10
is_valid_major(x, whitespace_ok = TRUE)

icd9_is_valid_major_n(x, whitespace_ok = TRUE)

icd9_is_valid_major_v(x, whitespace_ok = TRUE)

icd9_is_valid_major_e(x, whitespace_ok = TRUE)

Arguments

x	vector of ICD codes

Value

logical vector of same length as input, with TRUE when a code is a major (not necessarily a real one)

Methods (by class)

• default: Test whether an ICD code is of major type, which at present assumes ICD-9 format. Converts to character than calls is_valid.character

• default: Test whether an ICD code is of major type, either ICD-9 or ICD-10

• icd9: Test whether an ICD-9 code is of major type.

• icd10: Test whether an ICD-9 code is of major type.