Modifiers The Rest of the Story 2011 Sponsored by: aapc

GY
Item or service expected to be denied as statutorily excluded or not a benefit
GZ
Item or service expected to be denied as not reasonable and necessary, no waiver obtained
P1
Normal healthy patient
P2
Patient with mild systemic disease
P3
Patient with severe systemic disease
P4
Patient with severe systemic disease that is a constant threat to life
P5
A moribund patient who is not expected to survive without the operation
P6
A declared brain-dead patient whose organs are being removed for donor purposes
Q6
Services provided by a locum tenens physician
QK 
Medical direction of two, three, or four concurrent anesthesia procedures involving qualified individuals .
QS 
Reported for monitored anesthesia services
QW
CLIA waived service
QX
Services provided by Certified Registered Nurse Anesthetist
T1
Left second digit foot
T2
Left third digit foot
T3
Left fourth digit foot
T4
Left fifth digit foot
T5
Right great toe
T6
Right second digit foot
T7
Right third digit foot
T8
Right fourth digit foot
T9
Right fifth digit foot
TA
Left great toe
22
Increased procedural service
23
Unusual anesthesia services required
24
Unrelated evaluation and management service in the post-operative period
25
Separate and significant evaluation and management service
50
Bilateral procedure
51
Multiple procedure
52
Reduced service
53
Discontinued procedure

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