0CNS8ZZRelease Larynx, Via Natural or Artificial Opening Endoscopic
- Billable / Specific Code
0CNS8ZZ is a billable ICD-10-PCS procedure code for Release Larynx, Via Natural or Artificial Opening Endoscopic. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to 12 MS-DRGs. The root operation Release involves freeing a body part from an abnormal physical constraint by cutting or by the use of force. 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 | N | Release |
| 4 | BodyPart | S | Larynx |
| 5 | Approach | 8 | Via Natural or Artificial Opening Endoscopic |
| 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 release of the larynx, open the FY 2027 ICD-10-PCS Alphabetic Index at Release, then the subterm Larynx. The index leads to table 0CN, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code 0CNS8ZZ.
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.
Similar Procedure Codes
Questions About 0CNS8ZZ
Is 0CNS8ZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Release Larynx, Via Natural or Artificial Opening Endoscopic on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in 0CNS8ZZ 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 N is the Operation (Release); the 4th character S is the BodyPart (Larynx); the 5th character 8 is the Approach (Via Natural or Artificial Opening Endoscopic); the 6th character Z is the Device (No Device); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 0CNS8ZZ group to?
On an inpatient stay, Release Larynx, Via Natural or Artificial Opening Endoscopic maps to MS-DRGs 143, 144, 145, 166, 167, 168, 907, 908, 909, 957, 958, 959, with relative weights from 1.2335 to 7.5502. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 0CNS8ZZ?
Under the General Equivalence Mappings, Release Larynx, Via Natural or Artificial Opening Endoscopic crosswalks to ICD-9-PCS 31.92 (Lysis of adhesions of trachea or larynx). The mapping is approximate, so confirm it fits the documentation.
