Need CASE Statement(s) To Populate 5 Fields Based On Values Of 2

I need to, ultimately, create a flatfile for exporting insurance information to a third-party vendor. Each individual is to have no more than 1 line per file, which contains their coverage information, if any, on 4 different type of insurance. What i need is for 2 fields in a table to determine the output for multiple fields in the flatfile.

What I have so far works, to an extent. If I have insurance types 1, 2, 4 (of types 1-4) required output is (__ = 2 blank spaces):



1A 1B 1C 1D 1E 2A 2B 2C 2D 2E 3A 3B 3C 3D 3E 4A 4B 4C 4D 4E

== == == == == == == == == == == == == == == == == == == ==

Y N __ MD XX Y N __ MD XX N __ __ __ __ Y N __ DN XX



If they have coverage, A always = Y, B always = N, C always = blank(null), D is their ins. type, E is their cov. type(CASE statement). if they DON'T have that type of coverage, A always = N and the remaining field are NULL.



After a lot of work, and scouring a forum or 2, I attempted a whole lot of CASE functions. Below is an sample of code representing the 1x statements. This same code is repeated 4 times with the 1x being altered with 2x, 3x, 4x.



CASE HB.PLAN_TYPE

WHEN '10' THEN 'Y'

ELSE 'N' END AS 1A,

CASE HB.PLAN_TYPE

WHEN '10' THEN 'N'

ELSE ' ' END AS 1B,

' ' AS 1C,

CASE HB.PLAN_TYPE

WHEN '10' THEN HB.BENEFIT_PLAN

ELSE ' ' END AS 1D,

CASE HB.PLAN_TYPE

WHEN '10' THEN (CASE WHEN HB.COVRG_CD ='1' THEN 'XX'

WHEN HB.COVRG_CD ='2' THEN 'YY'

WHEN HB.COVRG_CD ='3' THEN 'ZZ'

ELSE 'WW' END)

ELSE ' ' END AS 1E,



It works to an extent. While the desires/required output it above, the output this produces (same scenario) is:



1A 1B 1C 1D 1E 2A 2B 2C 2D 2E 3A 3B 3C 3D 3E 4A 4B 4C 4D 4E

== == == == == == == == == == == == == == == == == == == ==

Y N __ MD XX N __ __ __ __ N __ __ __ __ N __ __ __ __



1A 1B 1C 1D 1E 2A 2B 2C 2D 2E 3A 3B 3C 3D 3E 4A 4B 4C 4D 4E

== == == == == == == == == == == == == == == == == == == ==

N __ __ __ __ Y N __ MD XX N __ __ __ __ N __ __ __ __



1A 1B 1C 1D 1E 2A 2B 2C 2D 2E 3A 3B 3C 3D 3E 4A 4B 4C 4D 4E

== == == == == == == == == == == == == == == == == == == ==

N __ __ __ __ N __ __ __ __ N __ __ __ __ Y N __ DN XX



While there is supposed to be 1 line, regardless of number of insurance types, it only produces 1 line per type. I first tried this in Access, and was able to get it to work, but it required multiple queries resulting in a crosstab, export to Excel and manually manipulate the data, export to text file to manipulate, import back into Excel to manipulate, import back into Access and finally export into a flatfile. Far too much work to produce a file which is why I'm trying to convert it to raw SQL.
Any assistance in this matter would be greatly appreciated.