 
| PCS-2023 > 0 > 00 > 00N > 00NT | 
| 00N | Central Nervous System and Cranial Nerves, Release | |
| Info: | Release: Freeing a body part from an abnormal physical constraint by cutting or by the use of force | |
| 00NT | Release, Spinal Meninges | |
| 00NT0 | Open | |
| 00NT0Z | No Device | |
| 00NT0ZZ | Release Spinal Meninges, Open Approach | |
| 00NT3 | Percutaneous | |
| 00NT3Z | No Device | |
| 00NT3ZZ | Release Spinal Meninges, Percutaneous Approach | |
| 00NT4 | Percutaneous Endoscopic | |
| 00NT4Z | No Device | |
| 00NT4ZZ | Release Spinal Meninges, Percutaneous Endoscopic Approach | |
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