Patient presents with a personal history of thyroid cancer.  Initial diagnosis of (specify thyroid cancer type, e.g., papillary, follicular, medullary, anaplastic) thyroid carcinoma was established on (date) based on (diagnostic methods, e.g., fine-needle aspiration biopsy, thyroidectomy pathology).  The original tumor size was (size) cm, located in the (location, e.g., right lobe, left lobe, isthmus).  (Specify if multifocal or multicentric).  Staging at diagnosis was (TNM stage).  Initial treatment included (surgical procedures, e.g., total thyroidectomy, lobectomy, isthmusectomy, lymph node dissection) performed on (date).  Post-surgical radioactive iodine therapy (RAI) was (administered or not administered) with (dosage and date if applicable).  Thyroid stimulating hormone (TSH) suppression therapy with (medication name and dosage) was initiated.  Current TSH level is (value) mU/L.  Patient is currently (asymptomatic or symptomatic, specifying symptoms if present).  Physical examination of the neck reveals (findings, e.g., no palpable masses, surgical scar).  Surveillance includes (ongoing monitoring plan, e.g., periodic TSH levels, neck ultrasound, thyroglobulin measurements).  Assessment:  History of (thyroid cancer type) thyroid cancer, status post (treatment summary).  Plan:  Continue current management with (medication and dosage) and scheduled follow-up in (timeframe) for (purpose of follow-up, e.g., TSH monitoring, physical exam, ultrasound).  Differential diagnoses at initial presentation included (list relevant differential diagnoses).  ICD-10 code: (appropriate ICD-10 code, e.g., Z85.850).  This documentation supports medical necessity for continued surveillance and management of the patient's history of thyroid cancer.