90 Reference (Outside) Laboratory: When laboratory procedures are performed by a party other than the...
CPT® Code Modifiers
90 - Reference (Outside) Laboratory: When laboratory procedures are performed by a party other than the treating or reporting physician or other qualified health care professional, the procedure may be identified by adding modifier 90 to the usual procedure number.
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The above description is abbreviated. This code description may also have Includes, Excludes, Notes, Guidelines, Examples and other information.
Additional Code Information
Additional Code Information includes:
APC Status Indicator
Assistant Surgeon (80, 82)
Bilateral Surgery (50)
CCS Clinical Classification
Co-Surgeons (62)
Diagnostic Imaging Family
Facility MUEs
Global Days
Hierarchical Condition Categories (HCC)
Major Complications or Comorbidities (MCC/CC)
Medicare Status Code
Multiple Procedures (51)
Non-Facility MUEs
OTS Orthotic
PC/TC Indicator (26)
Physician Supervisions
Team Surgery (66)
Type Of Service (TOS)
and more...
Access to this feature is available in the following products:
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HCC Pro
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