diff --git a/NEWS.md b/NEWS.md
index f9a5cea..c9e3225 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -4,6 +4,8 @@
 
 - Pediatrics data for anthropometric measures (`dm_peds` and `vs_peds`) was added (#88).
 
+- Add `CMENRTPT` to `cm`. (#120)
+
 <details>
 <summary>Developer Notes</summary>
 
diff --git a/data-raw/cm.R b/data-raw/cm.R
index eef48fe..b5bac87 100644
--- a/data-raw/cm.R
+++ b/data-raw/cm.R
@@ -4,10 +4,12 @@
 # Load libraries -----
 library(haven)
 library(admiral)
+library(dplyr)
 
 # Create cm ----
 raw_cm <- read_xpt("https://github.com/cdisc-org/sdtm-adam-pilot-project/blob/master/updated-pilot-submission-package/900172/m5/datasets/cdiscpilot01/tabulations/sdtm/cm.xpt?raw=true") # nolint
-cm <- convert_blanks_to_na(raw_cm)
+cm <- convert_blanks_to_na(raw_cm) %>%
+  mutate(CMENRTPT = if_else(is.na(CMENDTC), "ONGOING", NA_character_))
 
 # Label dataset ----
 attr(cm, "label") <- "Concomitant Medications"
diff --git a/data/cm.rda b/data/cm.rda
index 255b982..da20c55 100644
Binary files a/data/cm.rda and b/data/cm.rda differ
diff --git a/man/cm.Rd b/man/cm.Rd
index e69cf8e..cd3db75 100644
--- a/man/cm.Rd
+++ b/man/cm.Rd
@@ -5,7 +5,7 @@
 \alias{cm}
 \title{Concomitant Medication}
 \format{
-An object of class \code{tbl_df} (inherits from \code{tbl}, \code{data.frame}) with 7510 rows and 21 columns.
+An object of class \code{tbl_df} (inherits from \code{tbl}, \code{data.frame}) with 7510 rows and 22 columns.
 }
 \source{
 \url{https://github.com/cdisc-org/sdtm-adam-pilot-project/blob/master/updated-pilot-submission-package/900172/m5/datasets/cdiscpilot01/tabulations/sdtm/cm.xpt?raw=true}  # nolint