A patient was referred to the radiology department for chronic low back pain. the radiology report indicated there was no marrow abnormality identified and the conus medullaris was unremarkable. additional findings include: l4–l5: there is a minor diffusely bulging annulus at l4–l5. a small focal disc bulge is seen in far lateral position on the left at l4–l5 within the neural foramen. no definite encroachment on the exiting nerve root at this site is seen. no significant spinal stenosis is identified. l5–s1: there is a diffusely bulging annulus at l5–s1, with a small focal disc bulge centrally at this level. there is minor disc desiccation and disc space narrowing at l5–s1. no significant spinal stenosis is seen at l5–s1. the final diagnosis is minor degenerative disc disease at l4–l5 and l5–s1, as described. what icd-10-cm code(s) is/are reported?