ICD-10-PCS Root Operation `W`
Medical and Surgical, Head and Facial Bones, Revision

The Revision root operation is identified by the character code W in the 3^rd position of the procedure code. It is defined as Correcting, to the extent possible, a portion of a malfunctioning device or the position of a displaced device. Revision can include correcting a malfunctioning or displaced device by taking out or putting in components of the device such as a screw or pin.

Includes:

Adjustment of position of pacemaker lead, recementing of hip prosthesis

ICD-10-PCS code structure

Section:
0 = Medical and Surgical

Body System:
N = Head and Facial Bones

Root Operation:

2 - Change
5 - Destruction
8 - Division
9 - Drainage
B - Excision
C - Extirpation
D - Extraction
H - Insertion
J - Inspection
N - Release
P - Removal
Q - Repair
R - Replacement
S - Reposition
T - Resection
W - Revision
U - Supplement

See Terms used in Medical and Surgical

The 4^th character refers to the body part or body region.

Revision

Correcting, to the extent possible, a portion of a malfunctioning device or the position of a displaced device

0NWW - Facial Bone
0NWB - Nasal Bone
Includes:
- Vomer of nasal septum
0NW0 - Skull