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Allergy Immunotherapy and Rapid Desensitization

» Summary» Procedure Codes
» Description» Selected References
» Prior Approval» Policy History
» Policy
 

Medical Policy: 02.01.01 
Original Effective Date: April 1995 
Reviewed: May 2015 
Revised: May 2015 


Benefit Application
Benefit determinations are based on the applicable contract language in effect at the time the services were rendered. Exclusions, limitations or exceptions may apply. Benefits may vary based on contract, and individual member benefits must be verified. Wellmark determines medical necessity only if the benefit exists and no contract exclusions are applicable. This medical policy may not apply to FEP. Benefits are determined by the Federal Employee Program.

This Medical Policy document describes the status of medical technology at the time the document was developed. Since that time, new technology may have emerged or new medical literature may have been published. This Medical Policy will be reviewed regularly and be updated as scientific and medical literature becomes available.


Description: 

Allergic or hypersensitivity disorders can manifest themselves as generalized systemic reactions as well as localized reactions in any organ system of the body.  Numerous agents, e.g., pollen, mold, dust mites, animal dander, insect stings, foods or drugs, may precipitate allergic or hypersensitive reactions.  For details on coverage of allergy testing services, see Policy 02.01.02, Allergy Testing.

 

The management of an allergic patient should include a comprehensive history, physical examination and should include confirming the cause of allergies.  Once the agent is identified, treatment is provided by avoidance, medication or immunotherapy.

 

Immunotherapy involves regular injections of offending allergens which are not readily avoidable.  The treatment is provided over a period of months to years, with a goal of reducing symptoms.  Rush immunotherapy would be provided over only a few visits.  The exact mechanism of action is not known but may involve an increase in allergen specific IgG antibodies, a decrease in IgE synthesis and alteration in T-lymphocyte activity. 

 

Allergen-specific immunotherapy involves administering well-characterized allergen extracts, the potencies of which are measured and compared with a reference standard. An initial induction or build-up phase progressively increases the allergen dose; this is followed by multiple years of maintenance injections at the highest dose. Allergen-specific immunotherapy has been used to treat a variety of conditions including insect allergy, allergic rhinitis, and asthma. Subcutaneous injection of allergen-specific immunotherapy is the standard approach.

 

Guidelines Task Force: American Academy of Allergy, Asthma & Immunology (AAAAI); the American College of Allergy, Asthma & Immunology (ACAAI); and the Joint Council of Allergy Asthma & Immunology. Immunotherapy is effective for the treatment of allergic rhinitis, allergic conjunctivitis, allergic asthma, and stinging insect hypersensitivity. Clinical trials do not support the use of subcutaneous immunotherapy for food hypersensitivity. Oral immunotherapy and SLIT (sublingual immunotherapy) for food hypersensitivity/food allergies are considered investigational.


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Prior Approval: 

 

Not applicable


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Policy: 

Allergy immunotherapy is only recommended and considered medically necessary for:

  • allergic rhinitis not due to food allergy
  • allergic conjunctivitis, not due to food allergy
  • allergic asthma, not due to food allergy
  • and stinging insect hypersensitivity.

Allergy immunotherapy is considered investigational for all other indications, including but not limited to: Angioedema, Atopic dermatitis, Chronic urticaria, Food allergies, Intrinsic (non-allergic) asthma, Migraine headaches, poison ivy/poison oak, and for the treatment of behavior health disorders.

 

Allergy therapy with Rapid Desensitization (also known as Rush or Cluster Desensitization process), the person would get an increased dosage over only a few days instead of over months or years, may be considered medically necessary only for patients with the following:

  • Insect sting hypersensitivity
  • IgE antibodies to a particular drug that is essential for a condition that cannot be treated effectively with alternative medications

Rapid Desensitization for any other condition, including but not limited to food allergies and inhalant allergies is considered investigational.

 

Sublingual tablet immunotherapy for FDA approved tablet formations Oralair, Grastek, or Ragiwitek are addressed in the policy Oral Immunotherapy 05.01.80.

 

Sublingual drop immunotherapy is considered investigational for all indications.


Allergen-proof supplies, such as mattresses, pillows, and casings, etc., are considered personal convenience items and are not covered.





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Procedure Codes and Billing Guidelines: 

  • To report provider services, use appropriate CPT* codes, Modifiers, Alpha Numeric (HCPCS level 2) codes, Revenue codes, and/or ICD-9 diagnostic codes.
  • 95115  Professional services for allergen immunotherapy not including provision of allergenic extracts; single injection
  • 95117  Professional services for allergen immunotherapy not including provision of allergenic extracts; 2 or more injections
  • 95144  Professional services for the supervision of preparation and provision of antigens for allergen immunotherapy, single dose vial(s) (specify number of vials)
  • 95165  Professional services for the supervision of preparation and provision of antigens for allergen immunotherapy; single or multiple antigens (specify number of doses)
  • 95180  Rapid desensitization procedure, each hour (eg, insulin, penicillin, equine serum)  
  • 95199  Unlisted allergy/clinical immunologic service or procedure ( e.g., sublingual immunotherapy)           

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Selected References: 

  • Munoz-Lopez F. Editorial; New administration route in immunotherapy. Allergologia et Immunopathologia 2000; 28(6):295-297.
  • Lockey RR, Bousquet J, Malling HJ. WHO position paper on oral (Sublingual) immunotherapy. Annals of Allergy, Asthma and Immunology 1999; vol. 8:423-424.
  • Seidenfeld, J, et al. Sublingual Immunotherapy for Adults. TEC Assessment Program Vol. 18, No. 4 June 2003
  • American Academy of Allergy, Asthma and Immunology. American College of Allergy, Asthma and Immunology.   Allergen immunotherapy: a practice parameter.  Ann Allergy Asthma Immunol. 2003 Jan; 90(1 Suppl 1): 1-40
  • Barrett S, Index of Questionable Treatments; Nambudripad's Allergy Elimination Technique (NAET); Accessed on the web 12/20/05.
  • Cox L; Linnemann D, et al.  Sublingual immunotherapy: a comprehensive review.  J Allergy Clin Immunol 2006 May;117(5):1021-35.
  • Varshney P, Jones SM, Scurlock AM et al. A randomized controlled study of peanut oral immunotherapy: clinical desensitization and modulation of the allergic response. J Allergy CLin Immunol. 2011 Mar; 127(3):654-60.
  • Jones SM, Pons L, Roberts JL et al. Clinical efficacy and immune regulation with peanut oral immunotherapy. J Allergy Clin Immunol. 2009 Aug; 124(2):292-300, 300.el-97. Epub 2009 Jul 3.
  • Shripak JM, Nash SD, Rowley H et al. A randomized, double-blind, placebo-controlled study of milk oral immunotherapy for cow's milk allergy. J Allergy Clin Immunol. 2008 Dec; 122(6):1154-60. Epub 2008 Oct 25.
  • Zapatero L, Alonso E, Fuentes V et al. Oral desensitization in children with cow's milk allergy. J Investig Allergol Clin Immunol. 2008; 18(5):389-96.
  • De Bot CM, Moed H, Berger MY et al. Sublingual immunotherapy in children with allergic rhinitis: quality of systematic reviews. Pediatr Allergy Immunol 2011; 22(6):548-58.
  • Calderon MA, Penagos M, Sheikh A et al. Sublingual immunotherapy for treating allergic conjunctivitis. Cochrane Database Syst Rev 2011; (7):CD007685.
  • Radulovic S, Wilson D, Calderon M et al. Systematic reviews of sublingual immunotherapy (SLIT). Allergy 2011; 66(6):740-52.
  • Eifan AO, Akkoc T, Yildiz A et al. Clinical efficacy and immunological mechanisms of sublingual and subcutaneous immunotherapy in asthmatic/rhinitis children sensitized to house dust mite: an open randomized controlled trial. Clin Exp Allergy 2010; 40(6):922-32.
  • Sieber J, Shah-Hosseini K, Mosges R. Specific immunotherapy for allergic rhinitis to grass and tree pollens in daily medical practice-symptom load with sublingual immunotherapy compared to subcutaneous immunotherapy. Ann Med 2011; 43(6):418-24. 
  • Burks AW, Calderon MA, Casale T, Cox L, Demoly P, Jutel M, et al. Update on allergy immunotherapy: american academy of allergy, asthma & immunology/european academy of allergy and clinical immunology/PRACTALL consensus report. J Allergy Clin Immunol 2013;131:1288-96.
  • MK-3641 (SCH 0693413): Ragweed Allergy Immunotherapy tablet page 102 fda advisory committee meeting background package. January 28, 2014. p1-105.
  • Stallergenes S.A. Oralair® (Sweet Vernal, Orchard, Perennial Rye, Timothy, and Kentucky Blue Grass mixed pollens allergen extract) tablet for sublingual use package insert, April 2014.
  • FDA. Briefing document: Grastek, Allergenic Products Advisory Committee (APAC) meeting December 12, 2013. Available online at: http://www.fda.gov/AdvisoryCommittees/CommitteesMeetingMaterials/BloodVaccinesandOtherBiologics/AllergenicProductsAdvisoryCommittee/ucm367268.htm.
  • Lin SY, Erekosima N, Kim JM et al. Sublingual immunotherapy for the treatment of allergic rhinoconjunctivitis and asthma: a systematic review. JAMA : the journal of the American Medical Association 2013; 309(12):1278-88.
  • Lin SY, Erekosima N, Suarez-Cuervo C et al. Allergen-Specific Immunotherapy for the Treatment of Allergic Rhinoconjunctivitis and/or Asthma: Comparative Effectiveness Review No. 111. (Prepared by the Johns Hopkins University Evidence-based Practice Center under Contract No. 290-2007-10061-I.) AHRQ Publication No. 13-EHC061-EF. 2013.

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Policy History: 

 

Date                                        Reason                               Action

September 2011                     Annual review                     Policy revised

September 2012                     Annual review                     Policy revised

July 2013                               Annual review                     Policy revised

May 2014                              Annual review                     Policy revised

May 2015                              Annual review                     Policy revised


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Wellmark medical policies address the complex issue of technology assessment of new and emerging treatments, devices, drugs, etc.   They are developed to assist in administering plan benefits and constitute neither offers of coverage nor medical advice. Wellmark medical policies contain only a partial, general description of plan or program benefits and do not constitute a contract. Wellmark does not provide health care services and, therefore, cannot guarantee any results or outcomes. Participating providers are independent contractors in private practice and are neither employees nor agents of Wellmark or its affiliates. Treating providers are solely responsible for medical advice and treatment of members. Our medical policies may be updated and therefore are subject to change without notice.

*Current Procedural Terminology © 2012 American Medical Association. All Rights Reserved.

 
Contact Information
New information or technology that would be relevant for Wellmark to consider when this policy is next reviewed may be submitted to:
  Wellmark Blue Cross and Blue Shield
  Medical Policy Analyst
  P.O. Box 9232
  Des Moines, IA 50306-9232
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