Allergy & Immunology Billing Services in Washington

Washington's allergy & immunology practices face unique billing challenges shaped by Premera Blue Cross (Western WA) and Regence BlueShield (Eastern WA and statewide)'s commercial rules, Washington Apple Health requirements, and Noridian Healthcare Solutions (Jurisdiction F) Medicare policies. Our AAPC-certified coders specialize in both WA payer rules and allergy & immunology coding complexity.

AAPC Certified
WA Payer Expert
Allergy & Immunology Specialists
2.49% Rate
Last reviewed: May 2026Reviewed by the Go Medical Billing Editorial TeamAAPC-certified coders
22,000+WA Physicians
2.49%Starting Rate
5Medicaid MCOs
98%+Clean Claim Rate

Why Washington Allergy & Immunology Practices Need Specialized Billing

Washington's healthcare market includes 22,000+ physicians, and allergy & immunology practices here face a payer market dominated by Premera Blue Cross (Western WA) and Regence BlueShield (Eastern WA and statewide) on the commercial side and Washington Apple Health on the public payer side. Medicare claims are processed through Noridian Healthcare Solutions (Jurisdiction F), which applies its own Local Coverage Determinations that directly affect allergy & immunology procedure coverage and medical necessity requirements. Generic billing teams without WA specific knowledge leave revenue on the table.

Allergy & Immunology billing itself is complex. Allergy and immunology billing revolves around allergy testing codes (95004 percutaneous, 95024 intracutaneous, 95044 patch testing), immunotherapy administration (95115-95117 for injections, 95120-95134 for professional services with provision of antigen), biologic medication J-codes for severe allergic conditions, and pulmonary function testing (94010-94070). Test count accuracy is critical — each allergy test is billed per individual allergen, and a typical testing session involves 40-80 individual tests. When you combine this coding complexity with Washington's specific payer rules, authorization requirements, and 5 Washington Apple Health managed care plans that each have their own billing rules, you need a team that understands both dimensions. Go Medical Billing provides that expertise at 2.49% of collections, serving allergy & immunology practices from Seattle to Kent and across Washington.

2026 Washington Medicare Allowables for Allergy & Immunology CPT Codes

These are the 2026 Medicare allowable amounts for allergy & immunology CPT codes in Washington, processed under Noridian Healthcare Solutions (Jurisdiction F). Allowables are locality-adjusted, so WArates differ from other states — the highest-value allergy & immunology code below pays $102.75 non-facility here. Compare any code across states with our Medicare fee calculator by state.

Code
Description
Non-Facility
Facility
Percutaneous allergy testing, immediate hypersensitivity
$4.04
$4.04
Intradermal allergy testing, immediate hypersensitivity
$8.61
$0.98
Patch or application allergy test
$5.59
$5.59
Allergen immunotherapy, one injection
$11.69
$11.69
Allergen immunotherapy, two or more injections
$13.97
$13.97
Allergen immunotherapy, antigen preparation, single multi-dose vial
$19.46
$2.71
Spirometry
$33.04
$33.04
Spirometry, pre and post bronchodilator
$48.50
$48.50
Established patient office visit, low MDM
$102.75
$59.73

Source: 2026 Medicare Physician Fee Schedule, WA locality (Noridian Healthcare Solutions (Jurisdiction F)). Commercial Premera Blue Cross (Western WA) and Regence BlueShield (Eastern WA and statewide) rates typically run above these benchmarks; Washington Apple Health rates run below. Figures for reference, not a guarantee of payment.

The Washington Market Context for Allergy & Immunology Practices

Washington has about 22,000 physicians concentrated in three main markets: Greater Seattle (Puget Sound), Spokane (Eastern WA), and the Vancouver area (part of the Portland metro). Apple Health is the state's Medicaid program, run through five MCOs. The commercial market splits between Premera Blue Cross (dominant in Western WA), Regence BlueShield (strong in Eastern WA plus statewide PPO), and Kaiser Permanente Washington (the former Group Health, now a Kaiser subsidiary running both insurance and direct care). Providence Health and Services is headquartered in Renton and operates 51 hospitals across multiple states, making it one of the largest Catholic systems in the country. The state has its own Balance Billing Protection Act (effective 2020), which predated the federal No Surprises Act and has its own arbitration process for out-of-network disputes.

Washington-specific factors that shape allergy & immunology reimbursement: Washington's Balance Billing Protection Act took effect January 1, 2020, two years before the federal No Surprises Act. The state arbitration process is one of the more provider-friendly state IDRs in the country.; Kaiser Permanente Washington is the only Kaiser region with a heavy non-Kaiser-facility presence. Most Kaiser regions are closed networks. The Washington region resulted from Kaiser's 2017 acquisition of Group Health Cooperative.; Premera Blue Cross of Washington is one of the largest BCBS plans in the Pacific Northwest. Its bundling and prior authorization rules differ from Regence BlueShield, which is the other in-state BCBS plan.. Our WA coders build these into every allergy & immunologyclaim — see how this works alongside our Washington medical billing and allergy & immunology billing teams.

Washington Payer Challenges for Allergy & Immunology

Every WA payer has specific rules for allergy & immunology claims. Here's how we navigate them.

Premera Blue Cross (Western WA) and Regence BlueShield (Eastern WA and statewide) Allergy & Immunology Claims

Premera Blue Cross (Western WA) and Regence BlueShield (Eastern WA and statewide) processes the largest share of Washington commercial allergy & immunology claims. We know their WA specific fee schedules, prior authorization requirements for allergy & immunology procedures, and their appeal timelines when claims are denied. Allergy skin testing bills per individual allergen tested. A 60-allergen panel = 60 units of 95004. Inaccurate test counts directly reduce revenue or create audit risk.

Washington Apple Health Allergy & Immunology Billing

Washington Apple Health routes allergy & immunology patients through 5 managed care plans: Molina Healthcare of Washington, Coordinated Care of Washington, Community Health Plan of Washington (CHPW), and 2 more. Each MCO has its own allergy & immunology authorization and billing rules that we manage.

Medicare (Noridian Healthcare Solutions (Jurisdiction F)) Allergy & Immunology Coverage

Noridian Healthcare Solutions (Jurisdiction F) processes Medicare allergy & immunology claims in Washington with its own Local Coverage Determinations. We navigate Noridian Healthcare Solutions (Jurisdiction F)'s policies around immunotherapy administration coding to prevent medical necessity denials.

Denial Prevention for Washington Allergy & Immunology

Common allergy & immunology denials in Washington include allergy skin testing bills per individual allergen tested and choosing between 95115 (single injection), 95117 (2+ injections), and 95120-95134 (professional component with antigen provision) depends on who prepared the antigen. Our team catches these issues before submission and appeals aggressively with WA payer-specific documentation when denials occur.

Get Expert Allergy & Immunology Billing in Washington

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What We Handle for Washington Allergy & Immunology Practices

Allergy skin testing billing (95004, 95024, 95044)
Immunotherapy injection administration coding (95115-95134)
Biologic medication J-code billing and authorization
Pulmonary function testing (94010-94070)
Serum preparation and antigen provision billing
Component testing and in-vitro allergy coding (86003-86005)
Food allergy and drug allergy testing
Prior authorization for biologics and advanced testing

Washington Allergy & Immunology Billing Cost Comparison

Hiring an in-house biller with allergy & immunology expertise in Washington costs $45K-$60K annually in salary alone. Add benefits, software, clearinghouse fees, and office space, and the true cost is even higher. At 2.49% of collections, Go Medical Billing provides an entire team of AAPC-certified allergy & immunology coders and WA payer specialists for a fraction of that cost.

$45K-$60K

In-House Biller Salary

+ benefits, software, space

2.49%

Go Medical Billing Rate

Full team, all services included

60-80%

Typical Cost Reduction

With better results

Frequently Asked Questions

All major WA payers: Premera Blue Cross (Western WA) and Regence BlueShield (Eastern WA and statewide), Kaiser Permanente Washington, Molina, UnitedHealthcare, Aetna, Cigna, Washington Apple Health (including Molina Healthcare of Washington, Coordinated Care of Washington, Community Health Plan of Washington (CHPW)), and Medicare through Noridian Healthcare Solutions (Jurisdiction F). If a payer accepts allergy & immunology patients in Washington, we submit and follow-up on claims with them.
The most frequent allergy & immunology denials we see from WA payers include allergy skin testing bills per individual allergen tested, choosing between 95115 (single injection), 95117 (2+ injections), and 95120-95134 (professional component with antigen provision) depends on who prepared the antigen, biologics like omalizumab (j2357), dupilumab (j0881), and mepolizumab (j2182) require prior authorization, weight-based dosing verification, and step-therapy documentation. Our team catches these before submission by applying both allergy & immunology coding expertise and WA payer-specific rules to every claim.
Washington Apple Health routes allergy & immunology patients through 5 managed care plans: Molina Healthcare of Washington, Coordinated Care of Washington, Community Health Plan of Washington (CHPW), Wellpoint Washington (formerly Amerigroup), UnitedHealthcare Community Plan. Each MCO has its own allergy & immunology authorization requirements, fee schedules, and billing rules. We credential and bill with all of them so your allergy & immunology practice gets paid correctly.
Most WA allergy & immunology practices are fully transitioned within two to three weeks. We connect to your EHR, learn your allergy & immunology workflows, and start submitting claims to Premera Blue Cross (Western WA) and Regence BlueShield (Eastern WA and statewide), Washington Apple Health, Medicare, and all your WA payers with no downtime.

Fix Your Washington Allergy & Immunology Billing

Call 888-701-6090 for a free billing assessment specific to your WA allergy & immunology practice. We'll show you where revenue is leaking and how to fix it.