449 CC/MCC codes are excluded from severity when the case groups to DRGs 974-976 (HIV with Major Related Condition): A02.1, A02.21–A02.9, A07.3, A15.0–A19.9, A31.2–A31.9, A40.9–A43.9, A48.1, A81.2, A81.82–A81.9, A85.0–A85.1, A85.8–A86, A88.8–A89, B00.2–B00.81, B00.89, B02.0–B02.23, B02.29–B02.8, B10.01–B10.09, B20, B25.8–B25.9, B37.0–B37.1, B37.5–B37.6, B37.81–B37.89, B38.0–B39.3, B45.0, B45.2–B45.9, B47.1–B47.9, B48.8, B58.00–B59, B78.0, B78.7–B78.9, C46.0–C46.9, C82.50–C82.5A, C83.00–C83.3A, C83.70–C83.9A, C84.40–C86.61, C88.40–C88.41, F06.71, G04.81, G04.89–G04.91, G36.9, ….