0N870ZZDivision of Occipital Bone, Open Approach
- Billable / Specific Code
0N870ZZ is a billable ICD-10-PCS procedure code for Division of Occipital Bone, Open Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 5 MS-DRGs. The root operation Division involves cutting into a body part, without draining fluids and/or gases from the body part, in order to separate or transect a body part.
Code Identity
PCS Table Breakdown
Each ICD-10-PCS code is built from seven characters, each an axis of the procedure. Hover or tap the icons for the official CMS definitions.
| Position | Designation | Value | Meaning |
|---|---|---|---|
| 1 | Section | 0 | Medical and Surgical |
| 2 | Body System | N | Head and Facial Bones |
| 3 | Operation | 8 | Division |
| 4 | BodyPart | 7 | Occipital Bone |
| 5 | Approach | 0 | Open |
| 6 | Device | Z | No Device |
| 7 | Qualifier | Z | No Qualifier |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 0N870ZZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 0N870ZZ
Is 0N870ZZ a billable code?
Yes. 0N870ZZ is a complete seven-character ICD-10-PCS code, specific enough to report Division of Occipital Bone, Open Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 0N870ZZ mean?
0N870ZZ breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character N is the Body System (Head and Facial Bones); the 3rd character 8 is the Operation (Division); the 4th character 7 is the BodyPart (Occipital Bone); the 5th character 0 is the Approach (Open); the 6th character Z is the Device (No Device); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 0N870ZZ group to?
On an inpatient stay, Division of Occipital Bone, Open Approach maps to MS-DRGs 023, 024, 025, 026, 027, with relative weights from 2.5229 to 5.7303. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 0N870ZZ?
Under the General Equivalence Mappings, Division of Occipital Bone, Open Approach crosswalks to ICD-9-PCS 12.4. The mapping is approximate, so confirm it fits the documentation.
