921 MS-DRG: COMPLICATIONS OF TREATMENT WITHOUT CC/MCC

Defining Codes (FY2027)

338 diagnosis codes can drive assignment here: D47.Z1, D78.01, D78.02, D78.11, D78.12, D78.21, D78.22, D78.31, D78.32, D78.33, D78.34, D78.81 and 326 more.

From the CMS MS-DRG Definitions Manual (Appendices B and E). Assignment also depends on severity, discharge status and the rest of the claim.

Contextual Map

Every relationship of 921 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.

Major Diagnostic Category

• MDC 21 — Injuries, Poisonings and Toxic Effects of Drugs[MDC]— CMS MS-DRG Definitions Manual · FY2027

Defining diagnoses (338)

• D47.Z1 — Post-transplant lymphoproliferative disorder (PTLD)[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
• D78.01 — Intraoperative hemorrhage and hematoma of the spleen complicating a procedure on the spleen[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
• D78.02 — Intraoperative hemorrhage and hematoma of the spleen complicating other procedure[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
• D78.11 — Accidental puncture and laceration of the spleen during a procedure on the spleen[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
• D78.12 — Accidental puncture and laceration of the spleen during other procedure[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
• D78.21 — Postprocedural hemorrhage of the spleen following a procedure on the spleen[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
• D78.22 — Postprocedural hemorrhage of the spleen following other procedure[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
• D78.31 — Postprocedural hematoma of the spleen following a procedure on the spleen[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
• and 330 more

DRG family

• DRG 919 — COMPLICATIONS OF TREATMENT WITH MCC[DRG family]: “COMPLICATIONS OF TREATMENT WITH MCC — same CMS DRG family (919-921), split by severity.”— CMS MS-DRG Definitions Manual (DRG family 919-921) · FY2027
• DRG 920 — COMPLICATIONS OF TREATMENT WITH CC[DRG family]: “COMPLICATIONS OF TREATMENT WITH CC — same CMS DRG family (919-921), split by severity.”— CMS MS-DRG Definitions Manual (DRG family 919-921) · FY2027