ICD-10 D38.4 is officially defined as "Neoplasm of uncertain behavior of thymus." code D38.4 is referenced in 2 tracked payer policy changes from Blue Cross Blue Shield of North Dakota. For billers and coders, staying current on payer-specific coverage criteria, reimbursement rules, and prior-authorization requirements for code D38.4 is critical to clean claim submission. Each entry below links to the full policy analysis with effective dates and action steps.
Blue Cross Blue Shield of North Dakota has updated multiple pharmacy prior authorization policies for specialty medications, with new requirements effective October 1, 2025 for Datopotamab deruxtecan-dlnk (Datroway) and revised policies for various oncology drugs effective November 1, 2025. These changes affect prior authorization criteria, step therapy requirements, and billing codes for high-cost specialty medications.
Commercial prior authorization medical drug policies have revisions effective March 17, 2026, with many policies adding the Appendix A NQTL Factor Checklist, showing the number of days allowed for authorization durations, and replacing 'coverage' with 'prior authorization validity' in the initial and renewal criteria. Clinical updates include Eylea HD for macular edema following retinal vein occlusion, Breyanzi for relapsed or refractory marginal zone lymphoma, and new appendiceal neoplasm and cancer indications with ICD-10 codes D37.3 and Z85.038. Commercial post service claim edit policies for Trogarzo have revisions effective Feb. 1, 2026.
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