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| Secondary Diagnosis CC/MCC Severity Exclusions in Select MS-DRGs |
| Severity suppression for DRGs 974-976 HIV with Major Related Condition |
| Dx | CC/MCC | Description |
| G369 | CC | Acute disseminated demyelination, unspecified |
| G374 | MCC | Subacute necrotizing myelitis of central nervous system |
| G379 | CC | Demyelinating disease of central nervous system, unspecified |
| G9340 | CC | Encephalopathy, unspecified |
| G9341 | MCC | Metabolic encephalopathy |
| G9342 | CC | Megalencephalic leukoencephalopathy with subcortical cysts |
| G9343 | CC | Leukoencephalopathy with calcifications and cysts |
| G9344 | CC | Adult-onset leukodystrophy with axonal spheroids |
| G9345 | CC | Developmental and epileptic encephalopathy |
| G9349 | CC | Other encephalopathy |
| G9520 | CC | Unspecified cord compression |
| G9529 | CC | Other cord compression |
| G959 | CC | Disease of spinal cord, unspecified |
| I330 | MCC | Acute and subacute infective endocarditis |
| I339 | MCC | Acute and subacute endocarditis, unspecified |
| I400 | MCC | Infective myocarditis |
| I401 | MCC | Isolated myocarditis |
| I408 | MCC | Other acute myocarditis |
| I409 | MCC | Acute myocarditis, unspecified |
| I673 | CC | Progressive vascular leukoencephalopathy |
| I6783 | MCC | Posterior reversible encephalopathy syndrome |
| J09X1 | MCC | Influenza due to identified novel influenza A virus with pneumonia |
| J1008 | MCC | Influenza due to other identified influenza virus with other specified pneumonia |
| J123 | MCC | Human metapneumovirus pneumonia |
| J1281 | MCC | Pneumonia due to SARS-associated coronavirus |
| J1282 | MCC | Pneumonia due to coronavirus disease 2019 |
| J1289 | MCC | Other viral pneumonia |
| J129 | MCC | Viral pneumonia, unspecified |
| J13 | MCC | Pneumonia due to Streptococcus pneumoniae |
| J14 | MCC | Pneumonia due to Hemophilus influenzae |
| J150 | MCC | Pneumonia due to Klebsiella pneumoniae |
| J151 | MCC | Pneumonia due to Pseudomonas |
| J1520 | MCC | Pneumonia due to staphylococcus, unspecified |
| J15211 | MCC | Pneumonia due to Methicillin susceptible Staphylococcus aureus |
| J15212 | MCC | Pneumonia due to Methicillin resistant Staphylococcus aureus |
| J1529 | MCC | Pneumonia due to other staphylococcus |
| J153 | MCC | Pneumonia due to streptococcus, group B |
| J154 | MCC | Pneumonia due to other streptococci |
| J155 | MCC | Pneumonia due to Escherichia coli |
| J1561 | MCC | Pneumonia due to Acinetobacter baumannii |
| J1569 | MCC | Pneumonia due to other Gram-negative bacteria |
| J158 | MCC | Pneumonia due to other specified bacteria |
| J159 | MCC | Unspecified bacterial pneumonia |
| J181 | MCC | Lobar pneumonia, unspecified organism |
| J188 | MCC | Other pneumonia, unspecified organism |
| J189 | MCC | Pneumonia, unspecified organism |
| L081 | CC | Erythrasma |
| U071 | MCC | COVID-19 |