ICD-10-CM > S00-T88 > T36-T50 > T39 > T39.4 > T39.4X > T39.4X6 > T39.4X6D T39.4X6D Underdosing of antirheumatics, not elsewhere classified, subsequent encounter Billable/Specific Copy Code Copy Description
ICD-10 Fast ICD-10 Fast