DPY28ZZHyperthermia of Maxilla

Radiation Therapy›Musculoskeletal System›Other Radiation

Billable / Specific Code

ICD-10-PCS DPY28ZZ

CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.

DPY28ZZ is a billable ICD-10-PCS procedure code for Hyperthermia of Maxilla. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026).

Code Identity

ICD-10-PCS Code

DPY28ZZ

Billable Status

Yes — Valid for Submission

Code Describes

Hyperthermia of Maxilla

Parent Code

DPY

Short Description

Hyperthermia of Maxilla

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	D	Radiation Therapy
2	Body System	P	Musculoskeletal System
3	Modality	Y	Other Radiation
4	TreatmentSite	2	Maxilla
5	ModalityQualifier	8	Hyperthermia
6	Isotope	Z	None
7	Qualifier	Z	None

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for DPY28ZZ under the General Equivalence Mappings.

99.85

Approximate match.

Similar Procedure Codes

Questions About DPY28ZZ

Is DPY28ZZ a billable code?

Yes. DPY28ZZ is a complete seven-character ICD-10-PCS code, specific enough to report Hyperthermia of Maxilla on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in DPY28ZZ mean?

DPY28ZZ breaks down character by character: the 1st character D is the Section (Radiation Therapy); the 2nd character P is the Body System (Musculoskeletal System); the 3rd character Y is the Modality (Other Radiation); the 4th character 2 is the TreatmentSite (Maxilla); the 5th character 8 is the ModalityQualifier (Hyperthermia); the 6th character Z is the Isotope (None); the 7th character Z is the Qualifier (None).

What is the ICD-9-PCS equivalent of DPY28ZZ?

Under the General Equivalence Mappings, Hyperthermia of Maxilla crosswalks to ICD-9-PCS 99.85. The mapping is approximate, so confirm it fits the documentation.