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Medical Policy

Utilization Management Section - Physical Therapy

Topic: Physical Therapy Date of Origin: 01/1996
Section: UM Policy No: 6
Approved Date: 12/08/2009 Effective Date:  01/01/2010
Next Review Date: 10/2011  


IMPORTANT REMINDER

Regence Medical Policies are developed to provide guidance for members and providers regarding coverage in accordance with contract terms. Benefit determinations are based in all cases on the applicable contract language. To the extent there may be any conflict between the Medical Policy and contract language, the contract language takes precedence.

PLEASE NOTE: Contracts exclude from coverage, among other things, services or procedures that are considered investigational or cosmetic. Providers may bill members for services or procedures that are considered investigational or cosmetic. Providers are encouraged to inform members before rendering such services that the members are likely to be financially responsible for the cost of these services.

Description

Physical therapy is the treatment of a disease or injury by the use of therapeutic exercise and other interventions that focus on improving posture, locomotion, strength, endurance, balance, coordination, joint mobility, flexibility, activities of daily living and alleviating pain.

Treatment may include active and passive modalities using techniques based upon biomedical and neurophysiological principles (e.g., hydrotherapy, electrotherapy, application of heat and cold).

Hippotherapy, also referred to as equine movement therapy, consists of riding horse back in various positions. Hippotherapy has been proposed as a type of physical therapy for patients, usually children, with lower extremity spasticity secondary to neuromuscular disorders (e.g., cerebral palsy, spinal cord injury).  The movement of the horse is believed to be effective in muscle and neurological re-education, resulting in a decrease in spasticity and balance problems.

Policy/Criteria

I. Physical therapy may be medically necessary when all of the following criteria are met:
  A. Services are for the treatment of a covered injury, illness or disease and are appropriate treatment for the condition
  B. Treatments are expected to result in significant, functional improvement in a reasonable, and generally predictable period of time, or are necessary for the establishment of a safe and effective maintenance program. Treatments should be directed towards restoration or compensation for lost function. The improvement potential must be significant in relation to the extent and duration of therapy required
  C. Therapy is prescribed by an eligible provider
  D. Therapy is rendered by an eligible provider
  E. The services must be currently accepted standards of medical practice and be specific and effective treatments for the patient’s existing condition
  F. The complexity of the therapy and the patient’s condition must require the judgment and knowledge of a physician or a licensed physical therapist
  G. Services do not duplicate those provided concurrently by any other therapy, particularly occupational therapy
  H. Services are not for the treatment of psychological conditions
       
II. If the above criteria are met, the following guidelines apply:
   
  The treatments listed below require the skills and expertise of a licensed eligible provider. Different modalities, including but not limited to ultrasound, therapeutic exercise and manual therapy, may be employed in the delivery of these treatments and procedures. In conjunction with delivering these services, the provider is expected to provide teaching and training to the patient and/or caregivers. Maintenance programs must be taught before the end of the active rehabilitation program.
       
  A. Assessment
    1. Assessment of the patient's functional ability by applying muscle, joint, nerve and functional ability tests
    2. Assessment of the patient's home safety and equipment need
  B. Teaching
    1. Pain relief measures
    2. Development or restoration of function using physical means (e.g., active and passive exercises, muscle re-education, functional training, transfer activities)
    3. Maintenance of maximum performance (maintenance program)
    4. Use and care of wheelchairs, braces, canes, crutches, prosthetic and orthotic devices
       
  C. Re-evaluation if there is a change in condition requiring an adjustment in a maintenance program
  D. Gait analysis and training, as described in TRG Medical Policy, Medicine No. 107, for a clearly defined gait disorder
  E. Stress incontinence evaluation and training. Physical therapy is a conservative approach for treating pelvic floor muscle weakness causing stress incontinence.
  F. Temporomandibular Joint Dysfunction (TMD) Treatment. Physical therapy, including diathermy, infrared, heat and cold treatment and manipulation may be considered medically necessary in the treatment of TMD.
       
III. The following services are not considered medically necessary:
       
  A. Training in non-essential self-help or recreational tasks (e.g., homemaking, gardening, vocational and educational activities, driving)
  B. Maintenance therapy
    Maintenance therapy is defined as ongoing therapy after the patient has reached maximum rehabilitation potential, or functional level has shown no significant improvement for two weeks, and initial instruction in a maintenance program is completed. This is particularly applicable to patients with chronic, stable conditions where skilled supervision/interventions is no longer required and further clinical improvement cannot reasonably be expected from continuous ongoing care. This includes but is not limited to:
    1) Therapy that is supportive rather than corrective in nature
    2) Therapy that is intended to maintain a gradual process of healing or to prevent deterioration or relapse
    3) Ongoing treatment solely to improve endurance, strength or distance
    4) Passive exercises to maintain range of motion that can be carried out by nonskilled persons
    5) A general exercise program to promote overall fitness
    6) Treatment that is intended to provide diversion or general motivation
    7) Treatment that seeks to prevent disease, promote health, and prolong and enhance quality of life.
  C. Massage therapy when provided as a stand-alone procedure rather than as part of a comprehensive therapeutic treatment plan
  D. Instruction of other agency or professional personnel in the patient’s physical therapy program
  E. Collaboration with other agency or professional personnel or with other community resources
  F. Emotional support, adjustment to extended hospitalization and/or disability, and behavioral readjustment
       
IV. Hippotherapy is considered investigational.

Scientific Background

Hippotherapy

The majority of the literature regarding hippotherapy consists of small case series. (3,4) MacKinnon and colleagues published a small randomized study of 19 patients that reported no significant effects in the majority of outcome measures. (5) Sterba and colleagues reported on the outcomes of horseback riding in 17 subjects with cerebral palsy. (6) Gross motor function measurements were assessed before and after a once weekly horseback riding program for 18 weeks. Gross motor function total scores improved by 7.6% after 18 weeks, returning to baseline six weeks after the program ended. This small trial is inadequate to permit scientific conclusions. Benda and colleagues used surface electromyography to assess outcomes in 15 children with cerebral palsy who were randomized to either horseback riding or to sitting stationary astride a barrel. (7) The authors reported that the hippotherapy group showed greater symmetry of muscle activity. The clinical significance of this outcome is uncertain.  An updated search of the MEDLINE database through February 27, 2007 failed to identify any articles that alter the conclusions reached above.

References

  1. BlueCross BlueShield Association Medical Policy Reference Manual, Policy No. 8.03.02
  2. BlueCross BlueShield Association Medical Policy Reference Manual, Policy No. 8.03.12
  3. McGibbon NH, Andrade CK, Widener G et al. Effect of an equine-movement therapy program on gain, energy expenditure, and motor function in children with spastic cerebral palsy: a pilot study. Dev Med Child Neurol 1998;40(11):754-62
  4. Bertoti DB. Effect of therapeutic horseback riding on posture in children with cerebral palsy. Phys Ther 1998;68(10):1505
  5. MacKinnon JR, Noh S, Lariviere J et al. A study of therapeutic effects of horseback riding for children with cerebral palsy. Phys Occup Ther Pediatr 1995;15(1):17
  6. Sterba JA, Rogers BT, France AP et al. Horseback riding in children with cerebral palsy: effect on gross motor function. Dev Med Child Neurol 2002;44(5):301
  7. Benda W, McGibbon NH, Grant KL. Improvements in muscle symmetry in children with cerebral palsy after equine-assisted therapy (hippotherapy).  J Altern Complement Med 2003;9:817-25

Cross References

Occupational Therapy, Regence Medical Policy Manual, Utilization Management, Policy No. 4

Gait Analysis, Regence Medical Policy Manual, Medicine, Policy No. 107

Vertebral Axial Decompression, Regence Medical Policy Manual, Medicine, Policy No. 45

Codes Number Description
CPT
97001 Physical therapy evaluation
97002 Physical therapy re-evaluation
  97010-97028 Physical medicine and rehabilitation modalities, supervised, code range
  97032-97039 Physical medicine and rehabilitation modalities, constant attendance, code range
  97110-97530 Therapeutic procedures, code range
  97542 Wheelchair management (e.g., assessment, fitting, training), each 15 minutes
HCPCS S8940 Equestrian/Hippotherapy; per session
  S9131 Physical therapy; in the home, per diem

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