Other Injury, Poisoning and Toxic Effect DRG 923 Reimbursement

Other Injury, Poisoning and Toxic Effect Diagnoses without MCC: Inpatient Reimbursement Overview

DRG 923 includes admissions for other injury, poisoning, and toxic effect diagnoses without Major Complication or Comorbidity; it covers less complex injury or poisoning cases that do not trigger higher-severity groupings. This grouping matters for inpatient reimbursement because the Diagnosis-Related Group assignment determines Medicare prospective payment levels and reflects expected resource consumption for these lower-severity cases.

Customize your policy alerts

Sign up for drg 923 policy alerts

Get alerted when payer policies referencing 923 are released or updated.

Monitor payer policy activity

Receive email alerts as soon as relevant payer policies are published or updated.

DRG 923 Overview

DRG 923 covers hospital admissions for other injury, poisoning, and toxic effect diagnoses without Major Complication or Comorbidity. This Diagnosis-Related Group groups patients with less severe injury or poisoning presentations that do not meet Major Complication or Comorbidity criteria, affecting expected resource use and length of stay. It matters for Medicare inpatient payment because the Diagnosis-Related Group assignment drives prospective payment rates and influences revenue for cases with lower clinical complexity. Accurate coding and documentation determine whether an admission is classified here versus a higher-paying Diagnosis-Related Group.

Clinical Trials

Acute emergency intervention studies evaluating rapid diagnostic and management protocols for a heterogeneous group of non-MCC injury and poisoning admissions. These trials enroll patients presenting to the emergency department or admitted to inpatient units with acute injuries or toxic exposures that do not carry major complications (for example, moderate fractures, isolated burn injuries, or single-agent overdoses without organ failure). Research focuses on time-to-intervention, standardized triage pathways, and short-term clinical endpoints (length of stay, need for escalation of care), which is relevant to providers for optimizing initial care and to payers because efficient early management can reduce unnecessary resource use and readmissions.
Comparative effectiveness studies of inpatient medical and surgical management strategies for specific non-MCC injury diagnoses. These studies compare alternative operative versus nonoperative treatments, analgesic regimens, or wound-care approaches in defined subgroups (e.g., nondisplaced fractures, soft-tissue injuries, or localized toxic exposures) and measure functional recovery, complication rates, and inpatient resource utilization. Findings inform clinicians about best practice choices for similar-case patients and help payers evaluate which care pathways produce equivalent or superior outcomes at lower cost.
Post-discharge outcomes and care-coordination research assessing rehabilitation, follow-up adherence, and patient-reported outcomes after hospitalization for injury or poisoning without MCC. These prospective cohort or pragmatic trials follow patients after discharge to study factors that influence return to baseline function, subsequent healthcare use, and preventable readmissions—examining interventions like structured discharge planning, outpatient therapy referral models, or remote monitoring. This research is important to providers to improve continuity of care and functional outcomes, and to payers because improved post-discharge management can reduce downstream costs and utilization associated with complications or missed rehabilitation needs.

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

Acute emergency intervention studies evaluating rapid diagnostic and management protocols for a heterogeneous group of non-MCC injury and poisoning admissions. These trials enroll patients presenting to the emergency department or admitted to inpatient units with acute injuries or toxic exposures that do not carry major complications (for example, moderate fractures, isolated burn injuries, or single-agent overdoses without organ failure). Research focuses on time-to-intervention, standardized triage pathways, and short-term clinical endpoints (length of stay, need for escalation of care), which is relevant to providers for optimizing initial care and to payers because efficient early management can reduce unnecessary resource use and readmissions.
Comparative effectiveness studies of inpatient medical and surgical management strategies for specific non-MCC injury diagnoses. These studies compare alternative operative versus nonoperative treatments, analgesic regimens, or wound-care approaches in defined subgroups (e.g., nondisplaced fractures, soft-tissue injuries, or localized toxic exposures) and measure functional recovery, complication rates, and inpatient resource utilization. Findings inform clinicians about best practice choices for similar-case patients and help payers evaluate which care pathways produce equivalent or superior outcomes at lower cost.
Post-discharge outcomes and care-coordination research assessing rehabilitation, follow-up adherence, and patient-reported outcomes after hospitalization for injury or poisoning without MCC. These prospective cohort or pragmatic trials follow patients after discharge to study factors that influence return to baseline function, subsequent healthcare use, and preventable readmissions—examining interventions like structured discharge planning, outpatient therapy referral models, or remote monitoring. This research is important to providers to improve continuity of care and functional outcomes, and to payers because improved post-discharge management can reduce downstream costs and utilization associated with complications or missed rehabilitation needs.

Other Injury, Poisoning and Toxic Effect Diagnoses without MCC: Inpatient Reimbursement Overview

Sign up for drg 923 policy alerts

DRG 923 Overview

Other Injury, Poisoning and Toxic Effect Diagnoses without MCC: Inpatient Reimbursement Overview

Sign up for drg 923 policy alerts

DRG 923 Overview

Clinical Trials

Related Codes

References

Clinical Trials

Related Codes

References