0C7S4ZZDilation of Larynx, Percutaneous Endoscopic Approach

  • Billable / Specific Code
ICD-10-PCS 0C7S4ZZ
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

0C7S4ZZ is a billable ICD-10-PCS procedure code for Dilation of Larynx, Percutaneous Endoscopic Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 6 MS-DRGs. The root operation Dilation involves expanding an orifice or the lumen of a tubular body part.

Code Identity

ICD-10-PCS Code
0C7S4ZZ
Billable Status
Yes — Valid for Submission
Code Describes
Dilation of Larynx, Percutaneous Endoscopic Approach
Parent Code
Short Description
Dilation of Larynx, Percutaneous Endoscopic Approach

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.

PositionDesignationValueMeaning
1Section0Medical and Surgical
2Body SystemCMouth and Throat
3Operation7Dilation
4BodyPartSLarynx
5Approach4Percutaneous Endoscopic
6DeviceZNo Device
7QualifierZNo Qualifier

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 0C7S4ZZ under the General Equivalence Mappings.

31.98
Approximate match.

Similar Procedure Codes

Questions About 0C7S4ZZ

Is 0C7S4ZZ a billable code?

Yes. 0C7S4ZZ is a complete seven-character ICD-10-PCS code, specific enough to report Dilation of Larynx, Percutaneous Endoscopic Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 0C7S4ZZ mean?

0C7S4ZZ 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 7 is the Operation (Dilation); the 4th character S is the BodyPart (Larynx); the 5th character 4 is the Approach (Percutaneous Endoscopic); the 6th character Z is the Device (No Device); the 7th character Z is the Qualifier (No Qualifier).

What MS-DRG does 0C7S4ZZ group to?

On an inpatient stay, Dilation of Larynx, Percutaneous Endoscopic Approach maps to MS-DRGs 143, 144, 145, 166, 167, 168, with relative weights from 1.2023 to 3.7466. The MS-DRG sets the fixed Medicare payment for the stay.

What is the ICD-9-PCS equivalent of 0C7S4ZZ?

Under the General Equivalence Mappings, Dilation of Larynx, Percutaneous Endoscopic Approach crosswalks to ICD-9-PCS 31.98. The mapping is approximate, so confirm it fits the documentation.