Pre-operative diagnosis: Ganglion cyst right wrist
Gross Description: The specimen labeled “ganglion cyst right wrist” is received in formalin and consists of a single pink gray cystic fibrous tissue measuring 0.9 x 0.6 x 0.5 cm. The specimen is bisected and submitted entirely in one cassette.
Final Microscopic Diagnosis: Right wrist ganglion cyst.
Which procedure and diagnosis codes should be assigned for this scenario?
Ganglion cyst is defined to describe the anatomical location of the cyst and the laterality in ICD-10-CM. The code is broken down as follows:
- M67.4 – is the primary description “ganglion cyst”
- 5th digit “3” defines the anatomical location “wrist”
- 6th digit “1” defines the laterality “right”