Contemporary healthcare delivery is characterized by frequent deviations from normative care pathways, driven by patient heterogeneity, resource variability, and real-time clinical judgment. Rather than viewing these deviations as noise to be minimized, the present conceptual work reframes them as structured knowledge artifacts amenable to systematic interpretation. We propose a sequence pattern language that encodes deviations as first-class clinical signals within AI-enabled healthcare analytics infrastructures. Building on established process-mining foundations and EHR intelligence ecosystems, the language formalizes deviation sequences into interpretable knowledge structures that can inform decision support pipelines without requiring empirical model training or performance benchmarking. Central to the contribution is the sequence pattern language for deviation knowledge (SPLiDeK) framework—an original architectural blueprint featuring a five-layer stack and a unique spiral governance topology. The framework integrates event-log normalization, temporal pattern discovery, deviation encoding, interpretive mapping, and adaptive feedback in a closed-loop design that maintains theoretical interoperability and governance compliance. Three interpretive formulas are introduced to conceptualize drift sensitivity, risk propagation, and governance load, providing architectural guidance for system designers. By treating care pathway deviations as the core substrate of clinical intelligence, SPLiDeK advances a new theoretical paradigm for resilient, interpretable AI orchestration in complex healthcare environments. The work contributes a conceptual systems architecture that bridges clinical workflow integration models, AI governance constraints, and data-exchange frameworks, offering a foundation for future infrastructural deployments.