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"ICD-9." (n.d.). Fullformexpand.com. Retrieved February 26, 2026, from https://www.fullformexpand.com/icd-9/a-method-for-coding-diagnoses-to-receive-reimbursement.
ICD-9. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/icd-9/a-method-for-coding-diagnoses-to-receive-reimbursement (Accessed: 26 February 2026).