ICD-10-CM > A00-B99 > A15-A19 > A18 > A18.8 A18.8 Tuberculosis of other specified organs Non-Billable/Non-Specific Codes A18.81Tuberculosis of thyroid glandA18.82Tuberculosis of other endocrine glandsA18.83Tuberculosis of digestive tract organs, not elsewhere classifiedA18.84Tuberculosis of heartA18.85Tuberculosis of spleenA18.89Tuberculosis of other sites