I do coding for an urgent care facility and a small practice. Both seem to have their dx of "R shoulder tenonitis" or "L shoulder tendonitis". It is always vague. Should I use codes from M75.8 group or just put a generic M77.9 tendonitis code? With the M77.9 there is no right or left.

I’m leaning more towards the M75.8 group. This case would be M75.81 for dx of Tendonitis R Shoulder. My reasoning is that the M75.81 group states "Other shoulder lesions refers to abnormalities which can involve any of the structures of the shoulder due to inflammation, tumor, degeneration, trauma, or other medical conditions. The provider specifies a type of right shoulder lesion not represented by another specific code in this category." I have only been coding for a few months, so any help would be appreciated!

Have a great weekend!

Amy