DDY27ZZContact Radiation of Duodenum
- Billable / Specific Code
DDY27ZZ is a billable ICD-10-PCS procedure code for Contact Radiation of Duodenum. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027). In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Radiation therapy, NEC.
Code Identity
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 | D | Gastrointestinal System |
| 3 | Modality | Y | Other Radiation |
| 4 | TreatmentSite | 2 | Duodenum |
| 5 | ModalityQualifier | 7 | Contact Radiation |
| 6 | Isotope | Z | None |
| 7 | Qualifier | Z | None |
In the ICD-10-PCS Alphabetic Index
These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:
To code contact radiation of the duodenum, open the FY 2027 ICD-10-PCS Alphabetic Index at Contact Radiation, then the subterm Duodenum. The entry lists DDY27ZZ directly as a complete, billable code.
Clinical Classification (CCSR)
AHRQ groups this procedure code into these clinical categories.
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for this code under the General Equivalence Mappings.
Similar Procedure Codes
Questions About DDY27ZZ
Is DDY27ZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Contact Radiation of Duodenum on inpatient claims from October 1, 2026 through September 30, 2027.
What is the ICD-10-PCS code for contact radiation of the duodenum?
The FY 2027 ICD-10-PCS Alphabetic Index entry Contact Radiation, Duodenum is a direct entry for DDY27ZZ, Contact Radiation of Duodenum, billable on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in DDY27ZZ mean?
The code breaks down character by character: the 1st character D is the Section (Radiation Therapy); the 2nd character D is the Body System (Gastrointestinal System); the 3rd character Y is the Modality (Other Radiation); the 4th character 2 is the TreatmentSite (Duodenum); the 5th character 7 is the ModalityQualifier (Contact Radiation); the 6th character Z is the Isotope (None); the 7th character Z is the Qualifier (None).
What is the ICD-9-PCS equivalent of DDY27ZZ?
Under the General Equivalence Mappings, Contact Radiation of Duodenum crosswalks to ICD-9-PCS 92.21 (Superficial radiation). The mapping is approximate, so confirm it fits the documentation.
