ICD-10-CM Structural & Specificity Checker
ICD-10-CM Structural & Specificity Checker - a deterministic tool in Sophie Well's Billing & Reimbursement group.
Open the ICD-10-CM Structural & Specificity Checker → Runs in your browser. No signup, no tracking.
What this is
ICD-10-CM Structural & Specificity Checker is one of 230 deterministic tools in Sophie Well's Billing & Reimbursement group. ICD-10-CM Structural & Specificity Checker - a deterministic tool in Sophie Well's Billing & Reimbursement group.
When to use it
Use this tool when you need a quick, citable reference. Every calculation runs entirely in your browser - no inputs leave your device, no account is required, no AI is involved. The site enforces a strict Content Security Policy and ships no analytics or third-party CDN.
References
ICD-10-CM Official Guidelines for Coding and Reporting and the code-set conventions (CMS/NCHS annual files): the category/etiology/site/laterality structure, the placeholder X, and the required 7th character for certain chapters. Structure & specificity only -- not clinical correctness. Read the source ↗
Worked example: M54.5 (low back pain) satisfies the ICD-10-CM structural grammar.
Sophie Well is a reference and educational tool. Not medical, legal, or financial advice. Does not replace clinician judgment, professional billing review, or legal counsel.