ST Modifier
Related to trauma or injury
HCPCS modifierST
- Description
- Related to trauma or injury
- Short description
- Related to trauma or injury
- Added
- January 1, 2003
- Last change
- January 1, 2003
What does the ST modifier mean?
The HCPCS Level II modifier ST means: “Related to trauma or injury”. 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 S modifiers
- SA – Nurse practitioner rendering service in collaboration with a physician
- SB – Nurse midwife
- SC – Medically necessary service or supply
- SD – Services provided by registered nurse with specialized, highly technical home infusion training
- SE – State and/or federally-funded programs/services
- SF – Second opinion ordered by a professional review organization (pro) per section 9401, p.l. 99-272 (100% reimbursement - no medicare deductible or coinsurance)
- SG – Ambulatory surgical center (asc) facility service
- SH – Second concurrently administered infusion therapy
- SJ – Third or more concurrently administered infusion therapy
- SK – Member of high risk population (use only with codes for immunization)
- SL – State supplied vaccine
- SM – Second surgical opinion
- SN – Third surgical opinion
- SQ – Item ordered by home health
- SS – Home infusion services provided in the infusion suite of the iv therapy provider
- SU – Procedure performed in physician's office (to denote use of facility and equipment)
- SV – Pharmaceuticals delivered to patient's home but not utilized
- SW – Services provided by a certified diabetic educator
- SY – Persons who are in close contact with member of high-risk population (use only with codes for immunization)