Wiki Medicare Rejection 96132 96133 96138

Jernst

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I have an odd scenario, patient with Prim Dx of Vascular Dementia received services for Neuropsych Testing, coded: 1-Unit of 96138 (for initial 30 min) + 8-units of 96139 for additional 4 hours of testing, then 1-unit of 96132 for Psychologist's initial hour of review of testing, interpretation and report writing + 2-units of 96133 for the additional 2 hours of report writing. Medicare has denied 96132, 96133 and the 96138 all with rejection code "not medically necessary"! They approved and paid on the units for 96139! - Wha?! This makes absolutely no sense to me at all! Can't even have a 96139 without the 96138, plus the 96132/33 and 96138/39 are married, in that the testing of 96138/39 would be nothing without the interpretation and report writing 96132/33...
I called and spoke with someone at Medicare and they said, "probably need a modifier". I explained that we have NEVER used a modifier in this scenario, nor would it make sense to do so. She then said, "then file an appeal".
My question is:
Has anyone else come across this?
Could it just be a mistake, or is there some new rule or modifier in this situation that I'm unaware of?
Wondering if efforts would be better geared toward resubmitting with a modifier (perhaps -59?...even though that doesn't really make sense), or in pursuing the appeal?

(fyi: we had another patient on the same remit advice with exactly the opposite denial: they approved 96132/96133/96138, but denied all of 96139 - saying: "previously paid" (IT WAS NOT) and "not medically necessary".. SOMEONE EXPLAIN THAT - ugh!)
 
Hello,
Medicare Remits usually have a "Remark code" after the denial code of "not medically necessary". Would you have that information for both patients? I think the second patient with 96139 denying may have another scenario happening but I would love to try and help you with this Medicare denial.
 
On both: Denial code "CO-50 - not medically necessary, Remark Code: "M25 - Info furnished does not substantiate this level of service". These are listed under the one claim where 96132, 96133 and 96138 were denied, then also on the other claim where those codes were paid, but the denied the 96139 (8-units = 4 hrs of testing)
 
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