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Is it an ICD-9 code?

Source: R/dt-scibio.R
is_icd9_code.Rd

Is it an ICD-9 code?

Usage

is_icd9_code(x)

Arguments

x

A character vector.

Value

Logical vector; TRUE for a numeric or E/V ICD-9-CM code.

See also

Other scibio detectors: is_asin(), is_bibcode(), is_ensembl_id(), is_icd10_code(), is_snp_id(), is_uniprot_id()

Examples

is_icd9_code(c("078.11", "V70.0", "E880.9", NA))
#> [1] TRUE TRUE TRUE   NA