could some one help with coding below, should I code Biopsy with Peripheral nerve block ? do I need any modifier?

PREOPERATIVE DIAGNOSES:
1. Right middle finger necrosis.
2. Right middle finger infection.

POSTOPERATIVE DIAGNOSES:
1. Right middle finger necrosis.
2. Right middle finger infection.

PROCEDURES:
1. Right middle finger irrigation and debridement of open wound.
2. Right middle finger neurectomy of radial and ulnar digital nerve.
3. Right middle finger amputation at proximal interphalangeal joint.
Code 26952

4. Peripheral nerve block radial nerve and the proper median
nerves
Code 64450

5. Biopsy: Profundus and superficialis tendons
were retracted and cut. The extensor tendon was then cut as well. The PIP
joint was disarticulated

bipsy code 26110

6. Fluoroscopic exam

Thank you