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).
If a percutaneous, image-guided fluid collection procedure of a soft-tissue, visceral, peritoneal, or retroperitoneal area is performed and the drainage catheter is left in place at the termination of the procedure, a code such as 10030, 49405, or 49406 should be used.