One of the fascinating things about Land Hermit Crabs is that they live in other creatures discarded shells. As they grow they will leave their old shell and find another larger one to move into. To assist the crabs with this, a few spare shells should be kept in the aquarium for such occasions.
The case involved multiple medical conditions and procedures is properly coded as Diagnosis Codes 366.16 (cataract) and 365.10 (glaucoma) and CPT Codes 66982-RT (right eye complex cataract surgery) and 66180-RT (right eye revision of an aqueous shunt/Aquaflo prosthesis).
The International Classification of Diseases' ninth revision (ICD-9) includes about 14,000 medical codes that are used mainly in documenting diagnoses. The 10th revision (ICD-10) has about 18,000 codes. More facts about medical diagnosis codes: Nine medical diagnosis codes are related to injuries that are caused by parrots. There are even three codes set aside for injuries that are caused by flaming water skis. The ICD also has sub-classifications, such as a procedure code system known as ICD-10 PCS, which is used only in the United States.