$list = array(
            'I' => '<a href="http://www.icd10data.com/ICD10CM/Codes/A00-B99" target="_blank">A00-B99</a> - Certain infectious and parasitic diseases',
            'II' => '<a href="http://www.icd10data.com/ICD10CM/Codes/C00-D49" target="_blank">C00-D49</a> - Neoplasms',
            'III' => '<a href="http://www.icd10data.com/ICD10CM/Codes/D50-D89" target="_blank">D50-D89</a> - Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism',
            'IV' => '<a href="http://www.icd10data.com/ICD10CM/Codes/E00-E89" target="_blank">E00-E89</a> - Endocrine, nutritional and metabolic diseases',
            'V' => '<a href="http://www.icd10data.com/ICD10CM/Codes/F01-F99" target="_blank">F01-F99</a> - Mental and behavioural disorders',
            'VI' => '<a href="http://www.icd10data.com/ICD10CM/Codes/G00-G99" target="_blank">G00-G99</a> - Diseases of the nervous system',
            'VII' => '<a href="http://www.icd10data.com/ICD10CM/Codes/H00-H59" target="_blank">H00-H59</a> - Diseases of the eye and adnexa',
            'VIII' => '<a href="http://www.icd10data.com/ICD10CM/Codes/H60-H95" target="_blank">H60-H95</a> - Diseases of the ear and mastoid process',
            'IX' => '<a href="http://www.icd10data.com/ICD10CM/Codes/I00-I99  target="_blank">I00-I99</a> - Diseases of the circulatory system',
            'X' => '<a href="http://www.icd10data.com/ICD10CM/Codes/J00-J99" target="_blank">J00-J99</a> - Diseases of the respiratory system',
            'XI' => '<a href="http://www.icd10data.com/ICD10CM/Codes/K00-K95" target="_blank">K00-K95</a> - Diseases of the digestive system',
            'XII' => '<a href="http://www.icd10data.com/ICD10CM/Codes/L00-L99" target="_blank">L00-L99</a> - Diseases of the skin and subcutaneous tissue',
            'XIII' => '<a href="http://www.icd10data.com/ICD10CM/Codes/M00-M99" target="_blank">M00-M99</a> - Diseases of the musculoskeletal system and connective tissue',
            'XIV' => '<a href="http://www.icd10data.com/ICD10CM/Codes/N00-N99" target="_blank">N00-N99</a> - Diseases of the genitourinary system',
            'XV' => '<a href="http://www.icd10data.com/ICD10CM/Codes/O00-O9A" target="_blank">O00-O9A</a> - Pregnancy, childbirth and the puerperium',
            'XVI' => '<a href="http://www.icd10data.com/ICD10CM/Codes/P00-P96" target="_blank">P00-P96</a> - Certain conditions originating in the perinatal period',
            'XVII' => '<a href="http://www.icd10data.com/ICD10CM/Codes/Q00-Q99" target="_blank">Q00-Q99</a> - Congenital malformations, deformations and chromosomal abnormalities',
            'XVIII' => '<a href="http://www.icd10data.com/ICD10CM/Codes/R00-R99" target="_blank">R00-R99</a> - Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified',
            'XIX' => '<a href="http://www.icd10data.com/ICD10CM/Codes/S00-T88" target="_blank">S00-T88</a> - Injury, poisoning and certain other consequences of external causes',
            'XX' => '<a href="http://www.icd10data.com/ICD10CM/Codes/A00-B99" target="_blank">External causes of morbidity and mortality',
            'XXI' => "'<a href="http://www.icd10data.com/ICD10CM/Codes/V00-Y99" target="_blank">V00-Y99</a> - V00-Y99 - Factors influencing health status and contact with health services',
            'XXII' => '<a href="http://www.icd10data.com/ICD10CM/Codes/Z00-Z99" target="_blank">Z00-Z99</a> - Codes for special purposes',
        );