Hyperthermia of Soft Palate

ValidICD-10-PCS procedure code.

Valid for claims with a date of service in the current code year.

Valid FY2016 onwards.

What has happened to this code

Every change the publisher made, from 2014 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

FY2014 Added to the draft code set draft Hyperthermia of Soft Palate

Codes in the same group

Code	Description	Status
D9Y07ZZ	Contact Radiation of Ear	Valid
D9Y08ZZ	Hyperthermia of Ear	Valid
D9Y0FZZ	Plaque Radiation of Ear	Valid
D9Y17ZZ	Contact Radiation of Nose	Valid
D9Y18ZZ	Hyperthermia of Nose	Valid
D9Y1FZZ	Plaque Radiation of Nose	Valid
D9Y37ZZ	Contact Radiation of Hypopharynx	Valid
D9Y38ZZ	Hyperthermia of Hypopharynx	Valid
D9Y47ZZ	Contact Radiation of Mouth	Valid
D9Y48ZZ	Hyperthermia of Mouth	Valid
D9Y4CZZ	Intraoperative Radiation Therapy (IORT) of Mouth	Valid
D9Y4FZZ	Plaque Radiation of Mouth	Valid

At a glance

Code: D9Y98ZZ
System: ICD-10-PCS
Status: Valid
Valid: FY2016 onwards
In the code set: FY2016 onwards
Part of: D9Y

Where this code sits

Section D Radiation Therapy
Body system D9 Ear, Nose, Mouth and Throat
Category D9Y Radiation Therapy, Ear, Nose, Mouth and Throat, Other Radiation
This code D9Y98ZZ Hyperthermia of Soft Palate

What each character means

D Section Radiation Therapy
9 Body system Ear, Nose, Mouth and Throat
Y Root operation Other Radiation
9 Treatment Site Soft Palate
8 Modality Qualifier Hyperthermia
Z Isotope None
Z Qualifier None

Source

ICD-10-PCS FY2027 code set, published by the Centers for Medicare and Medicaid Services (CMS).

Effective October 1, 2026.

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