ICD-10-PCS › 0 Medical and Surgical › 0N Head and Facial Bones › 0NN Head and Facial Bones, Release › 0NN50ZZ

0NN50ZZ

Release Right Temporal Bone, Open Approach

ValidICD-10-PCS procedure code.

Valid for claims with a date of service in the current code year.

Valid FY2016 onwards.

What has happened to this code

Every change the publisher made, from 2014 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

  1. FY2014 Added to the draft code set draft Release Right Temporal Bone, Open Approach

What this code says

Each character is read in its own position, so the same letter means different things in different places. Definitions are CMS's own.

3. Root operation Release

Freeing a body part from an abnormal physical constraint by cutting or by the use of force

Some of the restraining tissue may be taken out but none of the body part is taken out

For example

  • Adhesiolysis, carpal tunnel release

5. Approach Open

Cutting through the skin or mucous membrane and any other body layers necessary to expose the site of the procedure

Codes in the same group

CodeDescriptionStatus
0NN10ZZ Release Frontal Bone, Open Approach Valid
0NN13ZZ Release Frontal Bone, Percutaneous Approach Valid
0NN14ZZ Release Frontal Bone, Percutaneous Endoscopic Approach Valid
0NN20ZZ Release Left Frontal Bone, Open Approach Retired
0NN23ZZ Release Left Frontal Bone, Percutaneous Approach Retired
0NN24ZZ Release Left Frontal Bone, Percutaneous Endoscopic Approach Retired
0NN30ZZ Release Right Parietal Bone, Open Approach Valid
0NN33ZZ Release Right Parietal Bone, Percutaneous Approach Valid
0NN34ZZ Release Right Parietal Bone, Percutaneous Endoscopic Approach Valid
0NN40ZZ Release Left Parietal Bone, Open Approach Valid
0NN43ZZ Release Left Parietal Bone, Percutaneous Approach Valid
0NN44ZZ Release Left Parietal Bone, Percutaneous Endoscopic Approach Valid