D7Y88ZZHyperthermia of Inguinal Lymphatics

  • Billable / Specific Code
ICD-10-PCS D7Y88ZZ
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

D7Y88ZZ is a billable ICD-10-PCS procedure code for Hyperthermia of Inguinal Lymphatics. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Radiation therapy, NEC.

Code Identity

ICD-10-PCS Code
D7Y88ZZ
Billable Status
Yes — Valid for Submission
Code Describes
Hyperthermia of Inguinal Lymphatics
Short Description
Hyperthermia of Inguinal Lymphatics
Same as the full description in the CMS dataset.
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
1SectionDRadiation Therapy
2Body System7Lymphatic and Hematologic System
3ModalityYOther Radiation
4TreatmentSite8Lymphatics, Inguinal
5ModalityQualifier8Hyperthermia
6IsotopeZNone
7QualifierZNone

Clinical Classification (CCSR)

AHRQ groups D7Y88ZZ into these clinical categories.

RAD004
Radiation therapy, NEC
Clinical domain: Radiation Therapy

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for D7Y88ZZ under the General Equivalence Mappings.

99.85
Approximate match.

Similar Procedure Codes

Questions About D7Y88ZZ

Is D7Y88ZZ a billable code?

Yes. D7Y88ZZ is a complete seven-character ICD-10-PCS code, specific enough to report Hyperthermia of Inguinal Lymphatics on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in D7Y88ZZ mean?

D7Y88ZZ breaks down character by character: the 1st character D is the Section (Radiation Therapy); the 2nd character 7 is the Body System (Lymphatic and Hematologic System); the 3rd character Y is the Modality (Other Radiation); the 4th character 8 is the TreatmentSite (Lymphatics, Inguinal); 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 D7Y88ZZ?

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