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Therapy & Rehab

Physical Therapy Medical Billing Services

Units counted right, plans of care kept current

Physical therapy is billed in minutes, and minutes are easy to lose. Undercount and you work for free. Overcount and you invite a takeback. Add visit caps, expiring plans of care, and authorisations that run out mid-course, and the admin can swallow a clinic. We handle the counting and the calendars so your therapists stay on the floor.

  • Faster reimbursements
  • Higher collections
  • Lower denials
  • HIPAA compliant
  • Certified coders
  • Dedicated billing experts
OVERVIEW

What Is Physical Therapy Medical Billing?

Physical therapy medical billing turns rehabilitation care into paid claims. It covers evaluations, therapeutic exercise, manual therapy, neuromuscular re-education, modalities, and functional training.

Most services are billed in timed units, so documented treatment minutes decide payment directly. Some services are billed once per session regardless of duration, and mixing the two up is a common and costly error.

Around all of that sits a plan of care that must be established, certified, and periodically renewed. When the plan lapses or the authorised visits run out, treatment continues but payment stops. That gap is where most physical therapy revenue disappears.

WHAT MAKES IT COMPLEX

Why Physical Therapy Billing Runs on the Clock

The unit count, the plan, and the authorisation all have to hold at the same time.

  • Timed and untimed services mix

    Some codes are billed per unit of time, others once per session. Treating them alike produces both underbilling and overbilling.

  • Plans of care expire

    Certification has to be renewed on schedule. Treatment delivered on a lapsed plan is usually not payable at all.

  • Visit limits apply per year

    Many plans cap therapy visits. Exceeding the cap without checking means the clinic absorbs the cost entirely.

  • Assistants have their own rules

    Services delivered by an assistant may need identification and can be paid at a different rate.

WHERE REVENUE LEAKS

Six PT Billing Problems and Their Remedies

Every one is preventable with a small process change.

Miscounted Units

Treatment minutes converted to units inconsistently across therapists, producing underbilling and audit exposure.

The fixRecord start and stop times per service and let one calculation rule convert them.

Lapsed Plan of Care

Treatment continues past the certification date, and every visit after it becomes unpayable.

The fixTrack certification expiry per patient and prompt for renewal two visits before it lapses.

Exhausted Visit Caps

Annual visit limits reached without warning, leaving the clinic to absorb further treatment.

The fixCheck remaining visits at verification and re-check monthly for active patients.

Untimed Codes Billed as Units

Once-per-session services billed multiple times, which triggers recoupment on review.

The fixFlag untimed codes in the charge template so they can only be billed once per visit.

Missing Assistant Identification

Services delivered by an assistant submitted without the required identifier, causing denials or repayment.

The fixCapture the rendering clinician at the point of documentation, not at billing.

Weak Progress Documentation

Notes that do not show measurable improvement invite medical necessity denials on longer episodes.

The fixRecord objective measures at every reassessment so continued care is defensible.

HOW WE WORK

How We Run a Physical Therapy Claim

Built around episodes of care, not isolated visits.

  1. Verify Therapy Benefits

    We confirm coverage, remaining visit count, and any authorisation the plan requires before the first session.

  2. Open the Episode

    The plan of care and certification date are logged so renewal prompts fire before anything expires.

  3. Convert Minutes to Units

    Documented start and stop times run through one consistent rule, applied the same way for every therapist.

  4. Check Caps Each Month

    Remaining visits are re-checked for active patients so nobody treats past the limit unknowingly.

  5. Submit and Post

    Claims transmit daily and payments post against contracted per-unit rates to catch shortfalls.

  6. Support Appeals

    Medical necessity denials are appealed with objective progress measures attached from your own notes.

WHAT'S INCLUDED

What Your Physical Therapy Plan Includes

Authorisation and plan of care tracking included.

  • Therapy Benefit Verification
  • Visit Cap Tracking
  • Authorization Management
  • Plan of Care Monitoring
  • Timed Unit Calculation
  • Charge Entry
  • Claims Submission
  • Denial Management
  • AR Follow-Up
  • Therapist Credentialing
  • Patient Balance Support
  • Clinic-Level Reporting
CODING FRAMEWORK

Physical Therapy Coding Essentials

A general outline of physical therapy coding.

Key CPT Ranges

RangeWhat It Covers
97161–97164Physical therapy evaluation and re-evaluation by complexity
97110–97140Therapeutic exercise, activities, and manual therapy
97112Neuromuscular re-education
97012–97039Supervised and constant attendance modalities
97530–97546Therapeutic and work conditioning activities
97760–97763Orthotic and prosthetic management and training

Common ICD-10 Groups

GroupClinical Focus
M54Back and neck pain
M25Joint pain and stiffness by site
M75–M77Shoulder and tendon disorders
S83–S93Sprains and ligament injuries of the limbs
R26Gait and mobility abnormalities
Z47Orthopedic aftercare following surgery

What Documentation Has To Show

  • Start and stop times for every timed service delivered.
  • The certification date and current expiry of the plan of care.
  • Objective measures showing progress at each reassessment.
  • Which clinician delivered each service, including assistants.

Note: This is general education on how physical therapy coding is organised. Code sets and payer policies change often. Always check the current code set and the payer's active policy for the date of service.

PLATFORM EXPERIENCE

Software We Bill Physical Therapy In

We work inside your existing therapy platform.

  • WebPT logo
  • Kareo logo
  • AdvancedMD logo
  • athenahealth logo
  • eClinicalWorks logo
  • PracticeSuite logo
SPECIALTY FAQS

Physical Therapy Billing Solutions That Work

Answers therapists and clinic owners can use today.

Record start and stop times for every timed service, then apply one conversion rule centrally rather than letting each therapist calculate. Variation between clinicians is what creates both lost revenue and audit exposure. We run the conversion at billing from documented times, so the same minutes always produce the same units regardless of who treated the patient.

A renewal prompt tied to the certification date, not to a memory. Treatment delivered after the plan lapses is usually unpayable and rarely recoverable on appeal. We track expiry per patient and alert your front desk two visits ahead, which gives the therapist time to complete the re-certification before it affects a single billable session.

Check the remaining count at verification and again monthly for anyone still in treatment. Caps reset annually and are consumed by other providers too, so a number confirmed in January is unreliable by summer. We re-verify active patients each month and flag anyone approaching their limit, so the clinic can decide before absorbing the cost.

Untimed services, which are billed once per session no matter how long they take. Billing them as multiple units looks like overbilling and triggers recoupment. The reliable fix is at the template level: flag untimed codes so your system will not accept more than one unit. That removes the error before anyone has to remember the rule.

Capture the rendering clinician when the note is written, not when the claim is built. Services delivered by an assistant may require a specific identifier and can be paid differently. Reconstructing who treated whom afterwards is unreliable and creates repayment risk. Recording it at documentation makes the claim accurate automatically and removes a whole denial category.

Objective measures at every reassessment. Payers question extended courses when notes describe effort rather than progress. Recording range of motion, strength grades, or functional scores gives an appeal something concrete to cite. We build appeals directly from those measures, and clinics that document them consistently see markedly better outcomes on extended episodes.

Frequently, and requirements differ by plan and by diagnosis. Some approve a block of visits, then require a progress update to continue. Sessions delivered after the approved block are usually unpaid. We log approved counts with remaining balances and request renewals while visits are still available, rather than discovering the gap when a denial arrives.

Daily, without exception. Therapy generates many modest claims, so a backlog compounds fast and becomes very hard to clear. Delay also complicates unit verification, because reconstructing treatment minutes from memory is unreliable and hard to defend. We reconcile each day's schedule against submitted charges every evening, which keeps both the claim flow and the documentation accurate.

Standardising unit conversion. Most clinics find their therapists count minutes differently, and the variance costs more than any denial category. Auditing one month of documented times against billed units usually reveals a consistent shortfall. Correcting it requires no clinical change and improves collections immediately, which is why we start there.

Yes, and reporting by clinic is what makes it useful. Each site needs its own enrollment and place of service, and denial patterns almost always concentrate at one location rather than across the group. That usually points to a front desk or documentation habit at that site. Site-level reporting shows you exactly where to focus.

Stop Losing Minutes You Already Worked

We audit one month of documented treatment times against billed units and show you the shortfall, plus any plans of care about to expire.

Schedule an RCM Consultation

Submit your details and our AAPC-certified billing auditors will coordinate a free operational audit for your clinic.

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