CurrentCareSourcePolicy N/A

Trigger Point Injections (TPIs) — Arkansas PASSE

Defines medical necessity, prior authorization, coverage limits, and documentation requirements for trigger point injections (TPIs) for back, neck, or myofascial pain for members in the Arkansas PASSE program.

Policy Summary

PayerCareSource

PolicyTrigger Point Injections (TPIs) — Arkansas PASSE

Policy CodePolicy N/A

Change TypeNo material changes

Effective DateJun 1, 2024

Next Review DateN/A

Key ActionObtain prior authorization for each trigger point injection and document at least 1 month of failed conservative therapy and required clinical details in the medical record.

SourceLink

POLICY UPDATE CHANGES

No material clinical or coverage changes in this revision.

8max DOS/yr

>=1 moconservative trial

50%repeat improvement req

3 monew pain timeframe

Coverage Criteria for Trigger Point Injections

Initial Trigger Point Injection

Trigger injections of anesthetic and/or corticosteroid for back pain, neck pain, or myofascial pain syndrome are considered medically necessary when ALL of the following are met:

Initial eligibility: 1) Patient presents with new (acute or subacute) localized pain occurring in the last 3 months; 2) Patient has been refractory or intolerant of conservative therapies for at least 1 month, including at least ONE of: bed rest, active exercise, ultrasound, range of motion, heating or cooling treatments, massage, physical therapy; 3) TPIs are part of an overall conservative management plan including at least ONE of: occupational therapy, manipulative therapy, physician supervised home exercise program (HEP); 4) Pharmacotherapies are being administered, including at least ONE of: non-steroidal anti-inflammatory drugs (NSAIDs), muscle relaxants, non-narcotic analgesics, anti-depressants; 5) The patient has a diagnosis for which a trigger point injection is an appropriate treatment AND the medical record documents ALL of the following: proper evaluation including patient history and physical exam leading to trigger point diagnosis; affected muscle(s); reason(s) for selecting this therapeutic option; muscle(s) injected and number of injections; name of medication used; frequency of injections; results of any prior treatment; corroborating evidence that the injection is medically necessary.

All listed elements must be documented.

Subsequent Trigger Point Injections

Repeat injections covered only with documented benefit and within annual limits:

Policy Summary

PayerCareSource

PolicyTrigger Point Injections (TPIs) — Arkansas PASSE

Policy CodePolicy N/A

Change TypeNo material changes

Effective DateJun 1, 2024

Next Review DateN/A

Key ActionObtain prior authorization for each trigger point injection and document at least 1 month of failed conservative therapy and required clinical details in the medical record.

SourceLink

On This Page

Trek Health ingests and normalizes Transparency in Coverage data and payer policy updates to give provider organizations a clear view of how commercial reimbursement behaves across markets, payers, and services. Our platform transforms raw payer disclosures into structured intelligence that supports contract evaluation, payer negotiations, and service line strategy. By combining market benchmarks with ongoing policy visibility, Trek helps teams identify variability, risk, and opportunity in commercial reimbursement. The result is faster insight, stronger negotiating positions, and more informed financial decisions.

Frequency and continuation: A) No more than 8 dates of service per calendar year per member may be reimbursed for trigger point injections using a local anesthetic or steroid; B) Injections may be repeated only with documentation supporting a positive result at the last injection involving the same anatomic site, including at least 50% improvement in pain, functioning, and activity tolerance.<=8 per calendar year; >=50% improvement required

Documentation of response must be in the medical record.

Localization techniques to image or otherwise identify trigger anatomic locations are not indicated and will not be covered for payment when associated with trigger point injection procedures. The policy notes that there is no laboratory or imaging test for establishing the diagnosis of trigger points; diagnosis relies on history and directed physical examination, and imaging solely for localization is not supported.

The policy states that dry needling is not an acceptable alternative to trigger point injections performed by an appropriately licensed clinician and therefore is not considered a substitute treatment for TPIs.

Billing, Codes, and Documentation Thresholds

Billing guidance and units of servicemixed

(see policy)

Payment may be made for unit of service of the appropriate procedure code reported on a claim for service rendered to a particular patient on a particular date. Certain procedure codes for trigger point injections specify the number of injection sites; for these codes the unit of service is different from the number of injections given. A trigger injection is normally considered a stand-alone service; no additional payment will be made for an office visit on the same date of service unless a modifier indicates a separate E/M service was performed.

Documentation threshold for repeat injection

Documentation threshold>= 50% improvement in pain, functioning, and activity tolerance documented after the prior injection

Required documentation elementsDocumentation must show positive result at the last injection involving the anatomic site

ScopeApplies to repeat injections at the same anatomic site

Prior Authorization & Provider Documentation Requirements

Prior Authorization

Prior Authorization Required

A prior authorization (PA) is required for each trigger point injection. Submit a PA request for each date of service where a trigger point injection (TPI) is planned.

Applies to each trigger point injection/date of service
No more than 8 dates of service per calendar year per member may be reimbursed

Step Therapy

Conservative Therapy Prerequisite

Trigger point injections are covered only after a documented trial of conservative therapies for at least 1 month. Lack of a documented trial of at least 1 month of conservative therapy may lead to denial of the request.

Conservative therapies must include at least ONE of: bed rest, active exercise, ultrasound, range of motion, heating/cooling treatments, massage, physical therapy
TPIs should be part of an overall conservative management plan that may include occupational therapy, manipulative therapy, or a physician-supervised home exercise program (HEP)

Documentation Required

Required Documentation for Medical Necessity

Document medical necessity in the patient’s medical record before and after each TPI. Include a complete evaluation and the specific elements listed below; missing documentation may result in denial.

Proper evaluation: patient history and physical examination leading to diagnosis of the trigger point
Diagnosis details: affected muscle(s) and distribution of pain
Treatment rationale: reason(s) for selecting trigger point injection as the therapeutic option
Procedure details: muscle(s) injected, number of injections, name and dose of medication(s) used
Treatment history and response: results of prior treatments and corroborating evidence of medical necessity
Follow-up and outcome: frequency of injections required and documentation of response (subsequent injections require documentation of ≥50% improvement in pain, function, and activity tolerance)
Localization imaging is not indicated and will not be covered when associated with trigger injection procedures

Denial Risk

Denial Conditions

Claims may be denied if documentation does not show a 1-month trial of conservative therapy or lacks the required evaluation, treatment rationale, injection details, prior treatment results, and evidence of benefit for repeat injections.

Denial risk examples: no documented 1-month conservative therapy trial; missing history/physical exam or affected muscles; absent medication name/dose or number of injections; no evidence of ≥50% improvement for repeat injections

Required Conservative Therapy Before Intervention

Trial of at least one listed conservative therapies

Covered when ALL of the following are documented:

Conservative therapy trial: At least a 1-month trial of one or more conservative therapies documented prior to TPI, which may include: physical therapy modalities, active exercise, ultrasound, range of motion, heating/cooling, massage, bed rest, or other listed conservative measures.>= 1 month

Trial must demonstrate refractory symptoms or intolerance to therapy.

Limits on Trigger Point Injection Frequency

Trigger point injections — annual limit

Annual maximumNo more than 8 dates of service per calendar year per member

Procedure typesTrigger injections using a local anesthetic or steroid

ApplicabilityLimit applies per member, per calendar year

Imaging and Localization Policies

Note

Imaging/localization not required or covered for TPIs

Localization imaging to identify trigger anatomic locations is not indicated and will not be covered when associated with trigger point injection procedures.

There is no laboratory or imaging test for establishing the diagnosis of trigger points; diagnosis depends on history and directed examination.
Localization techniques to image or otherwise identify trigger anatomic locations are not covered with TPIs.

Services Not Covered

Not covered under this policy are (1) use of imaging or other localization techniques to identify trigger point anatomic locations for the purpose of performing TPIs, because there is no imaging or laboratory test to establish trigger point diagnosis and such localization imaging is not indicated; and (2) dry needling as an alternative to trigger point injections.

Definitions

Acute Pain — definition

DefinitionPain that lasts less than 4 weeks.

Use in policyClassified as 'acute' for eligibility when presenting within 3 months as new localized pain

ContrastDistinct from subacute (4–12 weeks) and chronic (>12 weeks) definitions

Physician Supervised Home Exercise Program (HEP) — definition & requirements

DefinitionA 6-week program requiring an exercise prescription/plan and follow-up documented in the medical record after completion, or documentation of inability to complete for a stated physical reason.

Role in managementHEP is listed as an element of overall conservative management required before TPIs

Documentation requirementFollow-up after completion or reason for inability to complete must be recorded in the medical record

Trigger Point — definition

DefinitionA hyper-excitable area of the body where application of a stimulus will provoke pain to a greater degree than in the surrounding area.

Clinical relevanceTrigger points are identified by focal tenderness, taut band, and reproduction of referred pain patterns on exam

Diagnosis methodDiagnosis depends on detailed history and directed examination rather than imaging or lab tests

Subacute Pain — definition

DefinitionPain that has lasted between 4 weeks and 12 weeks.

Policy contextConsidered 'subacute' and eligible as 'new (acute or subacute) localized pain' if onset within last 3 months

Conservative therapy expectationSubacute pain must have been refractory/intolerant to at least 1 month of conservative therapies before TPI

Background and Clinical Context

Myofascial trigger points are described as hyper‑irritable foci within skeletal muscle that produce characteristic referred pain patterns and focal tenderness. Because there is no laboratory or imaging test to establish a trigger point diagnosis, evaluation depends on a detailed history and focused physical examination (including focal tenderness, palpable taut band, reproduction of referred pain with sustained pressure, and related functional findings). Targeted treatments such as trigger point injections deliver local anesthetic and/or corticosteroid into affected muscle tissue to reduce inflammation and pain as part of a comprehensive management plan after an adequate trial of conservative therapies.