In a European HEMS configuration, the EC 145 can perform CAT A helipad procedures up to 7000ft at +15C (configuration and data provided in Attachment A of the referenced TGL).
http://www.jaa.nl/secured/Operations/Public%20Documents/TGLs/AGM%20S4%20Ops%20TGL%2043%20HEMS%20Mountain%20Ops%20Feb%2008 %20Print.pdf
Jim