need an non standard hl7 variant

I need to create a non-standard hl7 variant that will work with the following message.

MSH|^~}|INVISION|JA8|||201201131012||RDE^O01|CHPFRXTF||2.3

ZSH|PHM

PID|||60007484^3^M10^JA8^PN~0000203413^^^JA8^MR~980250989^^^US GOVT^SS~761744^^^JA8^PI||ALLSCRIPTS^PHARMMEDT^^^^^L||19890623|M||W|23 RIVER ROAD^^SYRACUSE^NY^13223^^^^880|||||S|CAT|60007484^3^M10|980250989

PV1||E||R|||999912^ER STAFF PHYSICIANS|009779||EMR||||RP|||999912|E|000000860751|C^20120113|||||||||||||||||||EMR|||||201201130915

ORC|NW|00001|EDISM-MED||18||00001}ML^1        1^H}000^201201130956^201201130956^1^^ONCE    ONCE^^^^00001|00001|201201131012|RTIF||012203^BALL|EMR||201201131012

RXE||PHM000002^NS IV2923|000000100.0000||ML^ML|||||||||RTIF||||||||H00002.00|00050.00|ML/HR||||6

RXR|IV|||2

RXC|P|PHM379^AMPICILLIN^^00781940795|000000500.0000|MG^MG

ZR2|500 MG = 1 VIAL|00001|0|SANDOZ/NOVAPLUS

RXC|B|PHM2923^SODIUM CHLORIDE 0.9% 50ML^^00409798436|000000050.0000|ML^ML

ZR2|50 ML|00001|0|HOSPIRA

ZOR||||||||6|||||||||22|^^C0788^^S~^^3ALLMGID^^551-P~^^3ALLORNO^^EDISM-MED-20538-1-1|||ROUTINE 1||1||||AMPICILLIN 500 MG IV ONCE