4A098DZMeasurement of Respiratory Resistance, Via Natural or Artificial Opening Endoscopic

Measurement and Monitoring›Physiological Systems›Measurement
  • Billable / Specific Code
ICD-10-PCS 4A098DZ
CMS Source: FY 2027 ICD-10-PCS dataset. Effective Oct 1, 2026 – Sep 30, 2027.FacebookXLinkedInPrint

4A098DZ is a billable ICD-10-PCS procedure code for Measurement of Respiratory Resistance, Via Natural or Artificial Opening Endoscopic. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027). The root operation Measurement involves determining the level of a physiological or physical function at a point in time. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Pulmonary function tests.

Code Identity

ICD-10-PCS Code
4A098DZ
Billable Status
Yes — Valid for Submission
Code Describes
Measurement of Respiratory Resistance, Via Natural or Artificial Opening Endoscopic
Short Description
Measurement of Respiratory Resistance, Endo
Parent Code
4A0

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
1Section4Measurement and Monitoring
2Body SystemAPhysiological Systems
3Operation0Measurement
4BodySystem9Respiratory
5Approach8Via Natural or Artificial Opening Endoscopic
6Function/DeviceDResistance
7QualifierZNo Qualifier

In the ICD-10-PCS Alphabetic Index

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

Measurement, Respiratory, Flow
Leads to this code's table
Measurement, Respiratory, Rate
Leads to this code's table
Measurement, Respiratory, Volume
Leads to this code's table
Guidance, catheter placement, EKG
Leads to this code's table
Measurement, Respiratory, Capacity
Leads to this code's table
Measurement, Respiratory, Resistance
Leads to this code's table
Measurement, Respiratory, Total Activity
Leads to this code's table
Study, Pulmonary airway flow measurement
Leads to this code's table

To code measurement of the flow respiratory, open the FY 2027 ICD-10-PCS Alphabetic Index at Measurement, then the subterms Respiratory, Flow. The index leads to table 4A0, where the approach, Function/Device and qualifier values shown in the breakdown above complete the seven-character code 4A098DZ.

Browse the full ICD-10-PCS Alphabetic Index →

Clinical Classification (CCSR)

AHRQ groups this procedure code into these clinical categories.

MAM014
Pulmonary function tests
Clinical domain: Measurement and Monitoring

Convert to ICD-9-PCS

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

89.38
Other nonoperative respiratory measurements
Approximate match.

Similar Procedure Codes

Questions About 4A098DZ

Is 4A098DZ a billable code?

Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Measurement of Respiratory Resistance, Via Natural or Artificial Opening Endoscopic on inpatient claims from October 1, 2026 through September 30, 2027.

What do the characters in 4A098DZ mean?

The code breaks down character by character: the 1st character 4 is the Section (Measurement and Monitoring); the 2nd character A is the Body System (Physiological Systems); the 3rd character 0 is the Operation (Measurement); the 4th character 9 is the BodySystem (Respiratory); the 5th character 8 is the Approach (Via Natural or Artificial Opening Endoscopic); the 6th character D is the Function/Device (Resistance); the 7th character Z is the Qualifier (No Qualifier).

What is the ICD-9-PCS equivalent of 4A098DZ?

Under the General Equivalence Mappings, Measurement of Respiratory Resistance, Via Natural or Artificial Opening Endoscopic crosswalks to ICD-9-PCS 89.38 (Other nonoperative respiratory measurements). The mapping is approximate, so confirm it fits the documentation.