Wiki Neurology add on

the only guidance my book gives is
Do not report with (15756-15758, 15842,19364,19368,20955-20962,20969-20973,22551-22552,22856-22861,26551-26554,26556,31526,31531,31536,31541,31545-31546,31561,31571,43116,43496,49906,61548,63075-63078,64727,64820-64823,65091-68850[67810],0184T,0226T-0227T,0308T)
Hope that helps.
 
CMS:

F. Operating Microscope

1. The Internet-Only Manuals (IOM), Medicare Claims Processing Manual, Publication 100-04, Chapter 12, Section 20.4.5 (Allowable Adjustments) limits the reporting of use of an operating microscope (CPT code 69990) to procedures described by CPT codes 61304-61546, 61550-61711, 62010-62100, 63081-63308, 63704-63710, 64831, 64834-64836, 64840-64858, 64861-64870, 64885-64891 and 64905-64907. CPT code 69990 should not be reported with other procedures even if an operating microscope is utilized. CMS guidelines for payment of CPT code 69990 differ from CPT Manual instructions following CPT code 69990. The NCCI bundles CPT code 69990 into all surgical procedures other than those listed in the Medicare Claims Processing Manual. Most edits do not allow use of NCCI-associated modifiers.

http://www.cms.gov/Medicare/Coding/...ect=/NationalCorrectCodInitEd/NCCIEP/list.asp

Click on NCCI policy Manual for Medicare Services

Open chapter 8-Page 16

Keep in mind that commerical carriers may have their own guidelines for reporting 69990-
 
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