A 7-year-old boy is brought to the pediatric clinic by his mother. She reported that her son is complaining of discomfort in both ears and loss of hearing in the left ear for the past two days. The pediatrician diagnosis is impacted cerumen. Pediatrician with the mother's consent removes impacted cerumen using water irrigation In the right ear. For the left ear the cerumen impaction is removed using instrumentation.
What CPT coding is reported'

A 67-year-old male presents with DJD and spondylolisthesis at L4-L5 The patient is placed prone on the operating table and, after induction of general anesthesia, the lower back is sterilely prepped and draped. One incision was made over L1-L5. This was confirmed with a probe under fluoroscopy. Laminectomies are done at vertebral segments L4 and L5 with facetectomies to relieve pressure to the nerve roots. Allograft was packed in the gutters from L1-L5 for a posterior arthrodesis. Pedicle screws were placed at L2, L3, and L4. The construct was copiously irrigated and muscle; fascia and skin were closed in layers.
Select the procedure codes for this scenario.