0CM00ZZReattachment of Upper Lip, Open Approach
- Billable / Specific Code
0CM00ZZ is a billable ICD-10-PCS procedure code for Reattachment of Upper Lip, Open Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to 11 MS-DRGs. The root operation Reattachment involves putting back in or on all or a portion of a separated body part to its normal location or other suitable location. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under ENT procedures, NEC.
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 | C | Mouth and Throat |
| 3 | Operation | M | Reattachment |
| 4 | BodyPart | 0 | Upper Lip |
| 5 | Approach | 0 | Open |
| 6 | Device | Z | No Device |
| 7 | Qualifier | Z | No Qualifier |
In the ICD-10-PCS Alphabetic Index
These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:
To code reattachment of the upper lip, open the FY 2027 ICD-10-PCS Alphabetic Index at Reattachment, then the subterms Lip, Upper. The entry lists 0CM00ZZ directly as a complete, billable code.
Clinical Classification (CCSR)
AHRQ groups this procedure code into these clinical categories.
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for this code under the General Equivalence Mappings.
Questions About 0CM00ZZ
Is 0CM00ZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Reattachment of Upper Lip, Open Approach on inpatient claims from October 1, 2026 through September 30, 2027.
What is the ICD-10-PCS code for reattachment of the upper lip?
The FY 2027 ICD-10-PCS Alphabetic Index entry Reattachment, Lip, Upper is a direct entry for 0CM00ZZ, Reattachment of Upper Lip, Open Approach, billable on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in 0CM00ZZ mean?
The code breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character C is the Body System (Mouth and Throat); the 3rd character M is the Operation (Reattachment); the 4th character 0 is the BodyPart (Upper Lip); 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 0CM00ZZ group to?
On an inpatient stay, Reattachment of Upper Lip, Open Approach maps to MS-DRGs 137, 138, 579, 580, 581, 907, 908, 909, 957, 958, 959, with relative weights from 0.9184 to 7.5502. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 0CM00ZZ?
Under the General Equivalence Mappings, Reattachment of Upper Lip, Open Approach crosswalks to ICD-9-PCS 27.59 (Other plastic repair of mouth). The mapping is approximate, so confirm it fits the documentation.
