ICD-10-PCS Billable Code

2Y00X5Z

Change Mouth and Pharynx to No Qualifier with Packing Material, External Approach

Procedural Specifications

Clinical Axis Detail Definition
Section2 Placement
Body SystemY Anatomical Orifices
Operation0 Change
Body Part0 Mouth and Pharynx
ApproachX External
Device5 Packing Material
QualifierZ No Qualifier

Operation Definition

Taking out or off a device from a body part and putting back an identical or similar device in or on the same body part without cutting or puncturing the skin or a mucous membrane

Procedure Overview

This Change family covers taking an existing device out of a body orifice, such as the mouth, nasal passage, or another natural opening, and replacing it with an identical or similar device at the same encounter, all without cutting or puncturing skin or mucous membrane. Common examples include swapping out a nasogastric tube, a vaginal packing device, or a similar orifice-based appliance for a fresh one.

This kind of exchange is routine maintenance care rather than a new therapeutic intervention: the original device already served its purpose in placing or supporting something at that orifice, and the change simply keeps that function going by refreshing the device on a regular schedule or when the existing one becomes soiled, worn, or blocked.

Because the exchange happens through the orifice's natural opening rather than through a surgical incision, it is classified as a non-invasive bedside or outpatient procedure, distinct from device placements that require cutting into tissue.

Anatomy & Axis Detail

Mouth and Pharynx

The mouth and pharynx function together as a shared passage for air, food, and secretions, and devices placed here, such as oropharyngeal airways, nasogastric or orogastric tubes routed through the oral cavity, or feeding tubes, require periodic exchange as part of routine care. Change of a device in this orifice means removing an existing device and inserting a new one of the same type at the same location without surgically opening the area, typically performed at the bedside rather than in an operating room. Because the mouth and pharynx are richly innervated and prone to secretions that can degrade tubing or promote biofilm buildup, scheduled device changes reduce infection risk and maintain proper function. This distinguishes a simple swap from removal alone or from insertion of a different device type, which would be coded differently.

Approach: External

External is the only approach value used in the Placement section, since every placement procedure, such as applying a cast, splint, packing, or pressure dressing, is performed on the skin or an accessible mucous membrane without penetrating instrumentation. It simply confirms that these body-alteration-free interventions occur entirely at or on the body surface, with no internal route to distinguish it from.

Device: Packing Material

Packing Material is placed within a body cavity or wound in the Placement section to control bleeding, obliterate dead space, or absorb drainage, such as nasal or wound packing. It works by direct contact within an opening rather than external wrapping. It is distinguished from a Pressure Dressing, which is applied over the surface of a wound, and from a Bandage, which secures rather than fills a space.

Coding & Documentation

Coders should look for documentation confirming both halves of the exchange, removal of the old device and insertion of a new, identical or similar one, at the orifice named, along with confirmation that no incision or puncture was involved. A note describing only removal, or only insertion, does not support this code by itself.

A common error is applying this code when a device is placed in an orifice for the very first time, which belongs under Insertion or Placement rather than Change, since Change presumes a prior device is already present. Coders also sometimes miscode the orifice, particularly when a device sits at the junction of two anatomically adjacent openings.

Commonly Confused With

This family is easily confused with Removal alone, which applies when a device is taken out without a new one going back in, and with Insertion, which applies to the first-time placement of a device rather than a routine swap. It is also distinct from the anatomical regions Change procedures, which apply the same replacement concept to external body regions rather than natural orifices.

Procedural Guidance & FAQs

Coding Accuracy

Is 2Y00X5Z a billable procedure?

Yes, 2Y00X5Z is a complete, 7-character procedural specification that is acceptable for hospital claim reimbursement.

Technical Axis

What approach is used for 2Y00X5Z?

This procedure utilizes the External approach, mapping to the 5th character in the PCS axis.

Metadata Tags

packing mouth pharynx