rtf_lookup_fourth

<p>use the lookup table of fourth digit</p>

internal

datagen

Calculate comorbidities, Charlson and van Walraven
scores, perform fast and accurate validation, conversion,
manipulation, filtering and comparison of ICD-9 and ICD-10 codes. This
package enables a work flow from raw lists of ICD codes in hospital
databases to comorbidities.  ICD-9 and ICD-10 comorbidity mappings
from Quan (Deyo and Elixhauser versions), Elixhauser and AHRQ
included.  Common ambiguities and code formats are handled.

Jack O Wasey

Comorbidity Calculations and Tools for ICD-9 and ICD-10 Codes

Jack O. Wasey

William Murphy

Anobel Odisho

Vitaly Druker

Ed Lee

rtf_lookup_fourth function

apply fourth digit qualifiers — rtf_lookup_fourth

apply fourth digit qualifiers

rtf_lookup_fourth: apply fourth digit qualifiers

Description

Usage

Arguments