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2025
ICD-10-CM
HCPCS
MODIFIERS
DRG
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ICD-10 PCS Codes
2
Y
4
0 - Mouth and Pharynx
Mouth and Pharynx
2Y40X
- External
2Y40X5
2Y40X5Z
- Packing Mouth and Pharynx to No Qualifier with Packing Material, External Approach