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Unified Medical Language System (UMLS)

CVX (Vaccines Administered) - Metathesaurus Representation


This page lists UMLS Metathesaurus data elements and traces them back to the specific source data that populates them.




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VSAB: CVX2016_01_04

Summary of Changes

No changes were made to the source data format. However, processing vaccines with a status of "Inactive" was updated to reflect a clarification from the CDC. All CVX codes are considered 'active' except for when the vaccine status is 'NEVER ACTIVE', or the CVX code is 99, or 999.

This results in the following change to processing when the value of the status field is "Inactive":
Previously: TTY = OP/OA; Suppress = "O"
New: TTY = PT/AB; Suppress PT = "N"; Suppress AB = "Y"
Per above, codes 99 and 999 are considered obsolete, so even though they have an "Inactive" status, they are assigned TTY = OP/OA, Suppress = O (no change from previous version).

Source Provided Files:

Several file formats are available at http://www2a.cdc.gov/vaccines/iis/iisstandards/vaccines.asp?rpt=cvx

The flat file was used for Metathesaurus source processing.

File Name Description
cvx.txt "|" - delimited file

Identifiers:

Identifiers are assigned as follows:

Identifier Origin
CODE
CVX Code
SAUI
Not Applicable
SCUI
Same as CODE
SDUI
Not Applicable

Atoms (MRCONSO):


Term Type Origin
AB Short Description
Vaccine Status = "Active," "Inactive," or "Pending"
Exception: Codes 99 and 999 are "Inactive," but are assigned TTY = OP/OA per directions from the CDC
OA Short Description
Vaccine Status = "Never Active"
OP Full Vaccine Name
Vaccine Status = "Never Active"
PT Full Vaccine Name
Vaccine Status = "Active," "Inactive," or "Pending"
Exception: Codes 99 and 999 are "Inactive," but are assigned TTY = OP/OA per directions from the CDC


Attributes (MRSAT):




ATN Origin
DATE_LAST_MODIFIED Last Updated
SOS Notes
VACCINE_STATUS Vaccine Status



Definitions (MRDEF):


No definitions are provided for CVX. "Notes" are included as SOS attributes.


Relationships (MRREL):


REL/
Inverse REL
A
Origin Description
SY expanded_form_of
has_expanded_form
Connect PT - AB, OP - AB atoms with same CVX Code

Hierarchy (MRHIER)


There is no hierarchy for CVX.

Mappings (MRMAP):


No mappings are supplied for CVX.