09970ZXDrainage of Right Tympanic Membrane, Open Approach, Diagnostic

  • Billable / Specific Code
ICD-10-PCS 09970ZX
CMS Source: FY 2027 ICD-10-PCS dataset. Effective Oct 1, 2026 – Sep 30, 2027.FacebookXLinkedInPrint

09970ZX is a billable ICD-10-PCS procedure code for Drainage of Right Tympanic Membrane, Open Approach, Diagnostic. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRGs 143, 144, 145. The root operation Drainage involves taking or letting out fluids and/or gases from a body part. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under ENT diagnostic procedures (non-endoscopic).

Code Identity

ICD-10-PCS Code
09970ZX
Billable Status
Yes — Valid for Submission
Code Describes
Drainage of Right Tympanic Membrane, Open Approach, Diagnostic
Short Description
Drainage of Right Tympanic Membrane, Open Approach, Diagn
Parent Code

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 System9Ear, Nose, Sinus
3Operation9Drainage
4BodyPart7Tympanic Membrane, Right
5Approach0Open
6DeviceZNo Device
7QualifierXDiagnostic

In the ICD-10-PCS Alphabetic Index

These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:

Anatomy or device term that leads here
Anatomy or device term that leads here
Anatomy or device term that leads here
Drainage, Tympanic Membrane, Right
Leads to this code's table

To code drainage of the right tympanic membrane, open the FY 2027 ICD-10-PCS Alphabetic Index at Drainage, then the subterms Tympanic Membrane, Right. The index leads to table 099, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code 09970ZX.

Browse the full ICD-10-PCS Alphabetic Index →

Clinical Classification (CCSR)

AHRQ groups this procedure code into these clinical categories.

ENT003
ENT diagnostic procedures (non-endoscopic)
Clinical domain: Ear, Nose, and Throat Procedures

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for this code under the General Equivalence Mappings.

20.32
Biopsy of middle and inner ear
Approximate match.

Similar Procedure Codes

Questions About 09970ZX

Is 09970ZX a billable code?

Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Drainage of Right Tympanic Membrane, Open Approach, Diagnostic on inpatient claims from October 1, 2026 through September 30, 2027.

What do the characters in 09970ZX mean?

The code 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 9 is the Operation (Drainage); the 4th character 7 is the BodyPart (Tympanic Membrane, Right); the 5th character 0 is the Approach (Open); the 6th character Z is the Device (No Device); the 7th character X is the Qualifier (Diagnostic).

What MS-DRG does 09970ZX group to?

On an inpatient stay, Drainage of Right Tympanic Membrane, Open Approach, Diagnostic maps to MS-DRGs 143, 144, 145, with relative weights from 1.2335 to 3.8500. The MS-DRG sets the fixed Medicare payment for the stay.

What is the ICD-9-PCS equivalent of 09970ZX?

Under the General Equivalence Mappings, Drainage of Right Tympanic Membrane, Open Approach, Diagnostic crosswalks to ICD-9-PCS 20.32 (Biopsy of middle and inner ear). The mapping is approximate, so confirm it fits the documentation.