T4 Modifier
Left foot, fifth digit
HCPCS modifierT4
- Description
- Left foot, fifth digit
- Short description
- Left foot, fifth digit
- Added
- January 1, 1995
- Last change
- January 1, 1999
What does the T4 modifier mean?
The HCPCS Level II modifier T4 means: “Left foot, fifth digit”. Append it to a HCPCS or CPT code on the claim line when the payer’s policy calls for it; placement and payment effects are defined by each payer.
Other T modifiers
- T1 – Left foot, second digit
- T2 – Left foot, third digit
- T3 – Left foot, fourth digit
- T5 – Right foot, great toe
- T6 – Right foot, second digit
- T7 – Right foot, third digit
- T8 – Right foot, fourth digit
- T9 – Right foot, fifth digit
- TA – Left foot, great toe
- TB – Drug or biological acquired with 340b drug pricing program discount, reported for informational purposes
- TC – Technical component; under certain circumstances, a charge may be made for the technical component alone; under those circumstances the technical component charge is identified by adding modifier 'tc' to the usual procedure number; technical component charges are institutional charges and not billed separately by physicians; however, portable x-ray suppliers only bill for technical component and should utilize modifier tc; the charge data from portable x-ray suppliers will then be used to build customary and prevailing profiles
- TD – Rn
- TE – Lpn/lvn
- TF – Intermediate level of care
- TG – Complex/high tech level of care
- TH – Obstetrical treatment/services, prenatal or postpartum
- TJ – Program group, child and/or adolescent
- TK – Extra patient or passenger, non-ambulance
- TL – Early intervention/individualized family service plan (ifsp)
- TM – Individualized education program (iep)
- TN – Rural/outside providers' customary service area
- TP – Medical transport, unloaded vehicle
- TQ – Basic life support transport by a volunteer ambulance provider
- TR – School-based individualized education program (iep) services provided outside the public school district responsible for the student
- TS – Follow-up service
- TT – Individualized service provided to more than one patient in same setting
- TU – Special payment rate, overtime
- TV – Special payment rates, holidays/weekends
- TW – Back-up equipment