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Photobiomodulation (laser therapy)

Red or near-infrared light from a laser or LED, applied to tissue without heating or cutting it.

Modalities5 of 9 professions covered

Choose your profession and state in Your lens above, and this page answers for you first.

At a glance

The national picture for each profession. Your state can differ; the section below says how to check.

What it is

Shining low-power laser or LED light on a painful area, such as a tendon or joint, to try to reduce pain and help healing. It is also called low-level laser therapy or cold laser, and higher-powered versions are called high-intensity laser therapy.

Names across professions

The same technique can carry different names in different practice acts. The word a statute uses can decide who may perform it.

Names for Photobiomodulation (laser therapy) across professions
ProfessionTerm in practice actsNote
Physical therapistLow-level laser therapy (LLLT)The term APTA's guidelines use
ChiropractorTherapeutic laser; cold laserTerms used in chiropractic board policies such as Tennessee's and Washington's
Across professionsHigh-intensity laser therapy (HILT)Higher-power devices
Across professionsLight therapySome practice acts name light among physical agents

What the bodies say

Position statements, guidelines and consensus documents that address this topic, current first.

Check your state

Scope is set by each state's practice act and board rules. The national picture above is a starting point, never the answer for your license.

Find your licensing board

Get licensed links to the board for each profession in each state, so you can read its rules or ask it directly.

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Research

Searches that open in the literature databases. We point to the evidence; we do not summarize individual studies.

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