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Inpatient Procedure Code

DFY1CZZ ICD-10-PCS Code: Intraoperative Radiation Therapy (IORT) of Gallbladder

Axis Breakdown

Every ICD-10-PCS code is exactly seven characters, one per axis. Each character's meaning is defined by its position in the code.

PositionValueMeaning
1
SectionD

Radiation Therapy

2
Body SystemF

Hepatobiliary System and Pancreas

3
ModalityY

Other Radiation

4
Treatment Site1

Gallbladder

5
Modality QualifierC

Intraoperative Radiation Therapy (IORT)

6
IsotopeZ

None

7
QualifierZ

None

Related Codes

Same operation — other Treatment Site

Same table and root operation, differing only in the treatment site character.

DFY0CZZ — Intraoperative Radiation Therapy (IORT) of Liver, DFY2CZZ — Intraoperative Radiation Therapy (IORT) of Bile Ducts, DFY3CZZ — Intraoperative Radiation Therapy (IORT) of Pancreas

Same operation — other Modality Qualifier

Same table and root operation, differing only in the modality qualifier character.

DFY17ZZ — Contact Radiation of Gallbladder, DFY18ZZ — Hyperthermia of Gallbladder, DFY1FZZ — Plaque Radiation of Gallbladder

Same procedure category (CCSR), other tables

AHRQ's Clinical Classifications Software Refined groups these ICD-10-PCS procedures with this one under Radiation therapy, NEC (Radiation Therapy); listed here are the members in other PCS tables. Source: Clinical Classifications Software Refined (CCSR), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, November 2025.

DDY57ZZ — Contact Radiation of Colon, DDY58ZZ — Hyperthermia of Colon, DDY5CZZ — Intraoperative Radiation Therapy (IORT) of Colon, DDY5FZZ — Plaque Radiation of Colon, DDY77ZZ — Contact Radiation of Rectum, DDY78ZZ — Hyperthermia of Rectum, DDY7CZZ — Intraoperative Radiation Therapy (IORT) of Rectum, DDY7FZZ — Plaque Radiation of Rectum, DDY8CZZ — Intraoperative Radiation Therapy (IORT) of Anus, DDY8FZZ — Plaque Radiation of Anus, DGY07ZZ — Contact Radiation of Pituitary Gland, DGY08ZZ — Hyperthermia of Pituitary Gland, DGY0FZZ — Plaque Radiation of Pituitary Gland, DGY17ZZ — Contact Radiation of Pineal Body, DGY18ZZ — Hyperthermia of Pineal Body, DGY1FZZ — Plaque Radiation of Pineal Body, DGY27ZZ — Contact Radiation of Adrenal Glands, DGY28ZZ — Hyperthermia of Adrenal Glands, DGY2FZZ — Plaque Radiation of Adrenal Glands, DGY47ZZ — Contact Radiation of Parathyroid Glands, +300 more

Contextual Map

Every relationship of DFY1CZZ in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.

PCS table

Clinical classification (CCSR)

Nearest codes

Change history

No changes recorded for this code. This ledger tracks additions, deletions and description changes from FY2026 (April) onward. Note changes are not tracked.

Read from: CMS ICD-10-PCS code tables, index and definitions — FY2026 (April); CMS MS-DRG Definitions Manual (incl. Appendix B diagnosis index, Appendix C CC/MCC list, Appendix E procedure index) and IPPS Final Rule tables — v43; AHRQ HCUP Clinical Classifications Software Refined for ICD-10-PCS Procedures (hcup-us.ahrq.gov/toolssoftware/ccsr/PRCCSR_v2026-1.zip) — v2026.1. All data sources · How to read the labels