[An analysis of the updating of the Colombian social security system's mandatory health plan, 2009-2012].

Objective: Analyzing the updating the Colombian social security system's mandatory health plan (MHP),from a perspective of the right to health, by comparing and contrasting MHP content valid until 31st December 2009 (POS-2009) with MHP content from 1st January 2012 onwards (POS-2012).

Methodology: This was a descriptive study aimed at ascertaining the quantitative changes made and comparing the characteristics of modifications made in POS-2012 to POS-2009.

Results: Variation was observed between the two versions of the MHP regarding the number and characteristics of services and drugs;1,724 new procedures and 128 new medicines were included in the 2012 MHP, while 366 procedures and 79 medicines present in the 2009 MHP were excluded from MHP 2012.