HCC 202 (V28)
Coma, Brain Compression/Anoxic Damage
61 ICD-10-CM codes map to this category in the CMS-HCC V28 risk adjustment model for payment year 2027. All 115 HCCs
Overridden by: HCC 63 (Chronic Liver Failure/End-Stage Liver Disorders), HCC 397 (Major Head Injury with Loss of Consciousness > 1 Hour), HCC 398 (Major Head Injury with Loss of Consciousness < 1 Hour or Unspecified). If the patient also has one of these, only the higher HCC counts.
| E03.5 | Myxedema coma |
| G93.1 | Anoxic brain damage, not elsewhere classified |
| G93.5 | Compression of brain |
| G93.6 | Cerebral edema |
| P91.0 | Neonatal cerebral ischemia |
| P91.1 | Acquired periventricular cysts of newborn |
| P91.2 | Neonatal cerebral leukomalacia |
| P91.3 | Neonatal cerebral irritability |
| P91.4 | Neonatal cerebral depression |
| P91.5 | Neonatal coma |
| P91.60 | Hypoxic ischemic encephalopathy [HIE], unspecified |
| P91.61 | Mild hypoxic ischemic encephalopathy [HIE] |
| P91.62 | Moderate hypoxic ischemic encephalopathy [HIE] |
| P91.63 | Severe hypoxic ischemic encephalopathy [HIE] |
| P91.811 | Neonatal encephalopathy in diseases classified elsewhere |
| P91.819 | Neonatal encephalopathy, unspecified |
| P91.88 | Other specified disturbances of cerebral status of newborn |
| P91.9 | Disturbance of cerebral status of newborn, unspecified |
| R40.20 | Unspecified coma |
| R40.2110 | Coma scale, eyes open, never, unspecified time |
| R40.2111 | Coma scale, eyes open, never, in the field [EMT or ambulance] |
| R40.2112 | Coma scale, eyes open, never, at arrival to emergency department |
| R40.2113 | Coma scale, eyes open, never, at hospital admission |
| R40.2114 | Coma scale, eyes open, never, 24 hours or more after hospital admission |
| R40.2120 | Coma scale, eyes open, to pain, unspecified time |
| R40.2121 | Coma scale, eyes open, to pain, in the field [EMT or ambulance] |
| R40.2122 | Coma scale, eyes open, to pain, at arrival to emergency department |
| R40.2123 | Coma scale, eyes open, to pain, at hospital admission |
| R40.2124 | Coma scale, eyes open, to pain, 24 hours or more after hospital admission |
| R40.2210 | Coma scale, best verbal response, none, unspecified time |
| R40.2211 | Coma scale, best verbal response, none, in the field [EMT or ambulance] |
| R40.2212 | Coma scale, best verbal response, none, at arrival to emergency department |
| R40.2213 | Coma scale, best verbal response, none, at hospital admission |
| R40.2214 | Coma scale, best verbal response, none, 24 hours or more after hospital admission |
| R40.2220 | Coma scale, best verbal response, incomprehensible words, unspecified time |
| R40.2221 | Coma scale, best verbal response, incomprehensible words, in the field [EMT or ambulance] |
| R40.2222 | Coma scale, best verbal response, incomprehensible words, at arrival to emergency department |
| R40.2223 | Coma scale, best verbal response, incomprehensible words, at hospital admission |
| R40.2224 | Coma scale, best verbal response, incomprehensible words, 24 hours or more after hospital admission |
| R40.2310 | Coma scale, best motor response, none, unspecified time |
| R40.2311 | Coma scale, best motor response, none, in the field [EMT or ambulance] |
| R40.2312 | Coma scale, best motor response, none, at arrival to emergency department |
| R40.2313 | Coma scale, best motor response, none, at hospital admission |
| R40.2314 | Coma scale, best motor response, none, 24 hours or more after hospital admission |
| R40.2320 | Coma scale, best motor response, extension, unspecified time |
| R40.2321 | Coma scale, best motor response, extension, in the field [EMT or ambulance] |
| R40.2322 | Coma scale, best motor response, extension, at arrival to emergency department |
| R40.2323 | Coma scale, best motor response, extension, at hospital admission |
| R40.2324 | Coma scale, best motor response, extension, 24 hours or more after hospital admission |
| R40.2430 | Glasgow coma scale score 3-8, unspecified time |
| R40.2431 | Glasgow coma scale score 3-8, in the field [EMT or ambulance] |
| R40.2432 | Glasgow coma scale score 3-8, at arrival to emergency department |
| R40.2433 | Glasgow coma scale score 3-8, at hospital admission |
| R40.2434 | Glasgow coma scale score 3-8, 24 hours or more after hospital admission |
| R40.2440 | Other coma, without documented Glasgow coma scale score, or with partial score reported, unspecified time |
| R40.2441 | Other coma, without documented Glasgow coma scale score, or with partial score reported, in the field [EMT or ambulance] |
| R40.2442 | Other coma, without documented Glasgow coma scale score, or with partial score reported, at arrival to emergency department |
| R40.2443 | Other coma, without documented Glasgow coma scale score, or with partial score reported, at hospital admission |
| R40.2444 | Other coma, without documented Glasgow coma scale score, or with partial score reported, 24 hours or more after hospital admission |
| R40.2A | Nontraumatic coma due to underlying condition |
| R40.3 | Persistent vegetative state |