Don’t forget additional code.
You’ve had it pretty easy up until now — reporting a malignant tonsil with just one code: 146.0 (Malignant neoplasm of tonsil).
You can forget about easy when ICD-10 goes into effect October 1 this year, because you’ll need to select from four malignant tonsil codes, plus choose a code from a host of additional codes that you must report secondarily.
Learn the Choices:
ICD-9 specifies that 146.0 is for tonsil, faucial, palatine, or not otherwise specified (NOS), and directs you to different codes for lingual or pharyngeal tonsil.
ICD-10 makes the same distinctions — and then some. Instead of one code for the palatine tonsils, you have the following choices:
That’s not all: ICD-10 also instructs you to use an additional code from the following list, if applicable, which you should report second: