090KX7ZAlteration of Nasal Mucosa and Soft Tissue with Autologous Tissue Substitute, External Approach
- Billable / Specific Code
090KX7Z is a billable ICD-10-PCS procedure code for Alteration of Nasal Mucosa and Soft Tissue with Autologous Tissue Substitute, External Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 15 MS-DRGs. The root operation Alteration involves modifying the anatomic structure of a body part without affecting the function of the 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 | 9 | Ear, Nose, Sinus |
| 3 | Operation | 0 | Alteration |
| 4 | BodyPart | K | Nasal Mucosa and Soft Tissue |
| 5 | Approach | X | External |
| 6 | Device | 7 | Autologous Tissue Substitute |
| 7 | Qualifier | Z | No Qualifier |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 090KX7Z under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 090KX7Z
Is 090KX7Z a billable code?
Yes. 090KX7Z is a complete seven-character ICD-10-PCS code, specific enough to report Alteration of Nasal Mucosa and Soft Tissue with Autologous Tissue Substitute, External Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 090KX7Z mean?
090KX7Z breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 9 is the Body System (Ear, Nose, Sinus); the 3rd character 0 is the Operation (Alteration); the 4th character K is the BodyPart (Nasal Mucosa and Soft Tissue); the 5th character X is the Approach (External); the 6th character 7 is the Device (Autologous Tissue Substitute); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 090KX7Z group to?
On an inpatient stay, Alteration of Nasal Mucosa and Soft Tissue with Autologous Tissue Substitute, External Approach maps to MS-DRGs 143, 144, 145, 515, 516, 517, 579, 580, 581, 907, 908, 909, 957, 958, 959, with relative weights from 1.2023 to 7.6199. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 090KX7Z?
Under the General Equivalence Mappings, Alteration of Nasal Mucosa and Soft Tissue with Autologous Tissue Substitute, External Approach crosswalks to ICD-9-PCS 21.85. The mapping is approximate, so confirm it fits the documentation.
