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Unified Medical Language System (UMLS)

CCS_10 (Clinical Classifications Software 10) - Source Representation


This page lists specific source data elements and provides information on their representation in the UMLS Metathesaurus.


Skip to: Notes, Summary of Changes, Summary of Source-Provided Files Source-Provided File Details

Summary of Changes

There are no changes to the original data format or to UMLS source processing.

Source Provided Files:

The input files are in standard comma-separated-values format, with fields descriptions in the first line.

File Name Description
CCSCategoryNames(FullLabels).pdf Full labels for single-level and multi-level CCS Categories
ccs_dx_icd10cm_2019_1.csv Diagnosis categories and mappings
ccs_pr_icd10pcs_2018_1.csv Procedure categories and mappings

Source-Provided Files: Details

The following is a list of elements in the CCS .csv source files:


Element Representation
ICD-10-CM or ICD-10-PCS CODE MRMAP.FROMEXPR
CCS CATEGORY MRCONSO.CODE; TTY = SD or TTY = SP
MRMAP.TOEXPR
ICD-10-CM or ICD-10-PCS CODE DESCRIPTION Not processed
CCS CATEGORY DESCRIPTION MRCONSO.STR; TTY = SD or TTY = SP
MULTI CCS LVL 1 MRCONSO.CODE; TTY = MD or TTY = MV
MULTI CCS LVL 1 LABEL MRCONSO.STR; TTY = MD or TTY = MV
MULTI CCS LVL 2 MRCONSO.CODE; TTY = MD or TTY = MV
MRMAP.TOEXPR
MULTI CCS LVL 2 LABEL MRCONSO.STR; TTY = MD or TTY = MV