feat: construct_regex

DESCRIPTION

@@ -13,12 +13,14 @@ Depends:
     R (>= 4.1.0)
 Imports:
     cli,
+    collapse,
     dplyr,
     fs,
     kit,
     pins,
     purrr,
     rlang,
+    strex,
     stringfish,
     stringr,
     tidyr,

NAMESPACE

@@ -4,6 +4,8 @@ S3method(print,northstar)
 export(assign_adjustments)
 export(calculate_amounts)
 export(carc_add_dash)
+export(chr)
+export(construct_regex)
 export(data_dict)
 export(get_example)
 export(get_pin)

R/standards.R

@@ -17,10 +17,12 @@
 #' search_descriptions(hcpcs_code = c("39503", "43116", "33935", "11646"))
 #'
 #' search_descriptions(
-#'   hcpcs_code = dplyr::tibble(code = c("A0021", "V5362", "J9264", "G8916")),
+#'   hcpcs_code = dplyr::tibble(
+#'   code = c("A0021", "V5362", "J9264", "G8916")),
 #'   column = "code")
 #'
-#' dplyr::tibble(code = c("A0021", "V5362", "J9264", "G8916")) |>
+#' dplyr::tibble(
+#'   code = c("A0021", "V5362", "J9264", "G8916")) |>
 #'   search_descriptions(column = "code")
 #'
 #' @autoglobal

R/utils.R

@@ -76,6 +76,72 @@ get_example <- function(name = c("report", "practicum")) {
 
 }
 
+#' Alias for `as.character()`
+#'
+#' @param ... arguments to pass to `as.character()`
+#'
+#' @keywords internal
+#'
+#' @export
+chr <- function(...) {
+  as.character(...)
+}
+
+#' Construct regex pattern for HCPCS codes
+#'
+#' @param x `<chr>` vector
+#'
+#' @examples
+#' construct_regex(search_descriptions()$hcpcs_code)
+#'
+#' @returns `<chr>` vector
+#'
+#' @autoglobal
+#'
+#' @keywords internal
+#'
+#' @export
+construct_regex <- function(x) {
+
+  # TODO: check for equal lengths
+
+  x <- collapse::funique(
+    collapse::na_rm(
+      gsub(" ", "", x)))
+
+  x <- stringr::str_split(x, "") |>
+    purrr::list_transpose() |>
+    purrr::map(collapse::funique) |>
+    purrr::map(pos_re) |>
+    purrr::list_c() |>
+    paste0(collapse = "")
+
+  paste0("^", x, "$")
+
+}
+
+#' Internal function for `construct_regex()`
+#'
+#' @param x `<chr>` vector
+#'
+#' @returns `<chr>` vector
+#'
+#' @autoglobal
+#'
+#' @noRd
+pos_re <- function(x) {
+
+  sorted   <- stringr::str_sort(x, numeric = TRUE)
+  alphabet <- purrr::list_c(strex::str_extract_non_numerics(sorted))
+  numbers  <- purrr::list_c(strex::str_extract_numbers(sorted))
+
+  paste0("[",
+         fuimus::collapser(alphabet),
+         fuimus::collapser(numbers),
+         "]")
+
+}
+
 #' Apply {gt} Theme
 #'
 #' @param gt_object `<gt_tbl>` A [gt][gt::gt-package] table object

vignettes/articles/columns.Rmd

@@ -159,8 +159,8 @@ This file contains the Geographic Practice Cost Index (GPCI) component for each
 ```{r echo=FALSE, eval=TRUE}
 search_gpcis() |> 
   mutate(
-    counties = NULL,
-    area = glue::glue("<small>{area}</small>")) |> 
+    # counties = NULL,
+    locality_name = glue::glue("<small>{locality_name}</small>")) |> 
   distinct() |> 
   gt(rowname_col = "mac", 
      groupname_col = "state",
@@ -170,13 +170,15 @@ search_gpcis() |>
     mac = "MAC",
     state = "State",
     locality = "",
-    area = "",
+    locality_name = "",
     gpci_work = md("**GPCI**<i><sub>wk</sub></i>"),
     gpci_pe = md("**GPCI**<i><sub>pe</sub></i>"),
-    gpci_mp = md("**GPCI**<i><sub>mp</sub></i>")) |> 
+    gpci_mp = md("**GPCI**<i><sub>mp</sub></i>"),
+    gpci_gaf = md("**GPCI**<i><sub>gaf</sub></i>")
+    ) |> 
   fmt_number(decimals = 2, 
              drop_trailing_zeros = TRUE) |>
-  fmt_markdown(columns = "area") |> 
+  fmt_markdown(columns = "locality_name") |> 
   gt_theme_northstar(no_column_labels = FALSE) |> 
   tab_style(
       style = cell_text(

vignettes/northstar.Rmd

@@ -24,31 +24,95 @@ library(fuimus)
 library(dplyr)
 library(tidyr)
 library(purrr)
+library(collapse)
+library(triebeard)
+# library(pathologie)
 library(gt)
 ```
 
+
+   * Calculate Patient Age  -> Check ICD/HCPCS for Age Conflicts
+   * Calculate Provider Lag -> Days between DOS and DOR
+   * Calculate Balance      -> Charges - (Payments + Adjustments)
+   * Calculate Coinsurance  -> Charges - Allowed
+
+
+
 ## Load Example
 
 ```{r}
-x <- get_example()
-
-x
+(x <- get_example() |> 
+   dplyr::filter(!hcpcs %in% c("WCPAIN", 
+                               "MATERIALCTR", 
+                               "MATERIALOFF", 
+                               "SPBARIATRIC", 
+                               "LETTER")) |> 
+   dplyr::mutate(
+     # coinsurance = charges - allowed,
+     balance = charges - (payments + adjustments), 
+     .after = adjustments))
 ```
 
 ## Place of Service
 
 ```{r}
-search_pos(pos_code = x$pos)
+pos_trie <- triebeard::trie(
+    keys = search_pos()$pos_code,
+    values = chr(search_pos()$pos_type))
+
+x_pos <- x |> 
+  dplyr::mutate(
+    pos_type = triebeard::longest_match(pos_trie, pos), 
+    .after = pos)
+
+x_pos
 ```
 
 
 ## Categorize HCPCS
 
 ```{r}
-search_descriptions(hcpcs_code = x$hcpcs)
+hcpcs_unq <- collapse::funique(x$hcpcs[!x$hcpcs %in% not_hcpcs])
+
+search_rbcs(hcpcs_code = hcpcs_unq) |> 
+  dplyr::select(hcpcs_code:rbcs_family) |> 
+  dplyr::left_join(
+    search_descriptions(hcpcs_code = hcpcs_unq, 
+                        hcpcs_desc_type = "Long") |> 
+  dplyr::select(hcpcs_code, hcpcs_description),
+  by = dplyr::join_by(hcpcs_code))
 ```
 
+## Define Modifiers
+
 ```{r}
-search_rbcs(hcpcs_code = x$hcpcs)
+mod_unq <- strsplit(toupper(x$mod[!is.na(x$mod)]), "-") |> 
+  list_c() |> 
+  funique()
+
+search_modifiers(mod_code = mod_unq)
+```
+
+
+
+```{r}
+x |> 
+  select(
+    claim_id,
+    dos,
+    order,
+    hcpcs
+    ) |> 
+  group_by(claim_id) |> 
+  filter(n() > 1) |> 
+  ungroup()
+```
+
+```{r}
+aocs <- search_aocs(hcpcs_code = hcpcs_unq) |> 
+  tidyr::unnest(cols = aoc_complements)
+
+aocs |> 
+  filter(aoc_type == "Primary")
 ```