Loading...

    Explore
    • Policy Monitoring
    • Live Policy Feed
    • Billing Codes
    • NPI Medicare & Medicaid
    • Healthcare Providers
    • Health Insurance Payers
    • States
    • Service Lines
    • Taxonomy Codes
    Lookup tools
    • Billing Code Lookup
    • CPT Modifier Lookup
    • Provider Taxonomy Code Lookup
    • Healthcare Provider & Facility Lookup
    • Health Insurance Payer Lookup
    • Payer Contact Directory

    Policy & Benchmark Tools

    • Prior Authorization Lookup
    • Coverage Criteria Lookup
    • Timely Filing Lookup
    • Billing Code Reimbursement Rates
    • Payer Comparison Dashboard
    • Facility Comparison Dashboard
    • All tools

    Company

    • About OpenPayer
    • Data Sources
    • Trek Health
    OpenPayerby Trek Health
    LinkedInYouTube

    © 2026 Trek Health. All rights reserved.

    OpenPayer is built and maintained by Trek Health.

    v1.0.28
    OpenPayerBilling CodesEndocrine, nutritional and metabolic diseasesOther nutritional deficiencies

    Find policies, billing codes, payers, states, and providers

    Explore Other

    • NPI Medicare & Medicaid
    • Payers
    • States
    • Service Lines
    • Policy Updates
    • Providers
    • Taxonomy Codes

    Toolbox

    Explore OpenPayer Tools

    • Billing Code LookupSearch CPT, HCPCS, J-codes, DRG, and dental codes by number or procedure name.
    • Billing Code Reimbursement RatesBuild a reimbursement rate report across any mix of billing codes and states, comparing commercial payers against Medicare.
    • Payer Comparison DashboardPick 2-5 payers to compare market share, premium, and membership by region, all at once.
    • Facility Comparison DashboardPick 2-6 hospital facility types (or add a specific hospital) to compare facility count, revenue, net income, and Medicare/Medicaid payer mix by region, all at once.
    • Healthcare Provider & Facility LookupFind hospitals and healthcare facilities by name, taxonomy, facility type, ownership, or state.
    • Health Insurance Payer LookupSearch national health insurance payers and health plans by name and state presence.
    • Provider Taxonomy Code LookupSearch NUCC taxonomy codes by code, specialty, grouping, or classification.
    • CPT Modifier LookupSearch CPT modifiers by code or name — descriptions, when to use them, and payer policy context.
    • Prior Authorization LookupSearch payer prior authorization policies by drug, procedure, or policy name.
    • Timely Filing LookupFind payer timely filing policies: claim deadlines, corrected claim windows, and appeal timeframes.
    • Coverage Criteria LookupSearch payer coverage criteria and medical necessity requirements by drug, procedure, or payer.
    • Payer Contact DirectoryClaims, prior authorization, provider services, and appeals contacts for health insurance payers.
    E50-VITAMIN-A-DEFICIENCY

    ICD-10-CM Code For Vitamin A Deficiency: Group Overview

    E51-THIAMINE-DEFICIENCY

    ICD-10-CM Code For Thiamine Deficiency: Group Overview

    E52-NIACIN-DEFICIENCY-PELLAGRA

    ICD-10-CM Code For Niacin Deficiency [Pellagra]: Group Overview

    E53-DEFICIENCY-OF-OTHER-B-GROUP-VITAMINS

    ICD-10-CM Code For Deficiency Of Other B Group Vitamins: Group Overview

    E54-ASCORBIC-ACID-DEFICIENCY

    ICD-10-CM Code For Ascorbic Acid Deficiency: Group Overview

    E55-VITAMIN-D-DEFICIENCY

    ICD-10-CM Code For Vitamin D Deficiency: Group Overview

    E56-OTHER-VITAMIN-DEFICIENCIES

    ICD-10-CM Code For Other Vitamin Deficiencies: Group Overview

    E58-DIETARY-CALCIUM-DEFICIENCY

    ICD-10-CM Code For Dietary Calcium Deficiency: Group Overview

    E59-DIETARY-SELENIUM-DEFICIENCY

    ICD-10-CM Code For Dietary Selenium Deficiency: Group Overview

    E60-DIETARY-ZINC-DEFICIENCY

    ICD-10-CM Code For Dietary Zinc Deficiency: Group Overview

    Showing 1–10 of 13

    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.