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399 HCC

Major Head Injury without Loss of Consciousness

CMS Model V28 189 Associated ICD-10 Diagnoses

Relative Risk Score Factors (Coefficients for HCC 399)

Enrollment Model Type Coeff Tag Year Weight Score
CFA HCC399 2026 + 0.349
CFD HCC399 2026 + 0.190
CNA HCC399 2026 + 0.199
CND HCC399 2026 + 0.150
CPA HCC399 2026 + 0.128
CPD HCC399 2026 + 0.052
INS HCC399 2026 + 0.085

Mapped ICD-10-CM Diagnoses (189)

The following diagnoses map directly to HCC 399 under the V28 risk adjustment model:

ICD-10 Code Clinical Diagnosis Description Guideline
P12.2 Epicranial subaponeurotic hemorrhage due to birth injury Notes ↗
S02.0XXA Fracture of vault of skull, initial encounter for closed fracture Notes ↗
S02.0XXB Fracture of vault of skull, initial encounter for open fracture Notes ↗
S02.101A Fracture of base of skull, right side, initial encounter for closed fracture Notes ↗
S02.101B Fracture of base of skull, right side, initial encounter for open fracture Notes ↗
S02.102A Fracture of base of skull, left side, initial encounter for closed fracture Notes ↗
S02.102B Fracture of base of skull, left side, initial encounter for open fracture Notes ↗
S02.109A Fracture of base of skull, unspecified side, initial encounter for closed fracture Notes ↗
S02.109B Fracture of base of skull, unspecified side, initial encounter for open fracture Notes ↗
S02.110A Type I occipital condyle fracture, unspecified side, initial encounter for closed fracture Notes ↗
S02.110B Type I occipital condyle fracture, unspecified side, initial encounter for open fracture Notes ↗
S02.111A Type II occipital condyle fracture, unspecified side, initial encounter for closed fracture Notes ↗
S02.111B Type II occipital condyle fracture, unspecified side, initial encounter for open fracture Notes ↗
S02.112A Type III occipital condyle fracture, unspecified side, initial encounter for closed fracture Notes ↗
S02.112B Type III occipital condyle fracture, unspecified side, initial encounter for open fracture Notes ↗
S02.113A Unspecified occipital condyle fracture, initial encounter for closed fracture Notes ↗
S02.113B Unspecified occipital condyle fracture, initial encounter for open fracture Notes ↗
S02.118A Other fracture of occiput, unspecified side, initial encounter for closed fracture Notes ↗
S02.118B Other fracture of occiput, unspecified side, initial encounter for open fracture Notes ↗
S02.119A Unspecified fracture of occiput, initial encounter for closed fracture Notes ↗
S02.119B Unspecified fracture of occiput, initial encounter for open fracture Notes ↗
S02.11AA Type I occipital condyle fracture, right side, initial encounter for closed fracture Notes ↗
S02.11AB Type I occipital condyle fracture, right side, initial encounter for open fracture Notes ↗
S02.11BA Type I occipital condyle fracture, left side, initial encounter for closed fracture Notes ↗
S02.11BB Type I occipital condyle fracture, left side, initial encounter for open fracture Notes ↗
S02.11CA Type II occipital condyle fracture, right side, initial encounter for closed fracture Notes ↗
S02.11CB Type II occipital condyle fracture, right side, initial encounter for open fracture Notes ↗
S02.11DA Type II occipital condyle fracture, left side, initial encounter for closed fracture Notes ↗
S02.11DB Type II occipital condyle fracture, left side, initial encounter for open fracture Notes ↗
S02.11EA Type III occipital condyle fracture, right side, initial encounter for closed fracture Notes ↗
S02.11EB Type III occipital condyle fracture, right side, initial encounter for open fracture Notes ↗
S02.11FA Type III occipital condyle fracture, left side, initial encounter for closed fracture Notes ↗
S02.11FB Type III occipital condyle fracture, left side, initial encounter for open fracture Notes ↗
S02.11GA Other fracture of occiput, right side, initial encounter for closed fracture Notes ↗
S02.11GB Other fracture of occiput, right side, initial encounter for open fracture Notes ↗
S02.11HA Other fracture of occiput, left side, initial encounter for closed fracture Notes ↗
S02.11HB Other fracture of occiput, left side, initial encounter for open fracture Notes ↗
S02.121A Fracture of orbital roof, right side, initial encounter for closed fracture Notes ↗
S02.121B Fracture of orbital roof, right side, initial encounter for open fracture Notes ↗
S02.122A Fracture of orbital roof, left side, initial encounter for closed fracture Notes ↗
S02.122B Fracture of orbital roof, left side, initial encounter for open fracture Notes ↗
S02.129A Fracture of orbital roof, unspecified side, initial encounter for closed fracture Notes ↗
S02.129B Fracture of orbital roof, unspecified side, initial encounter for open fracture Notes ↗
S02.19XA Other fracture of base of skull, initial encounter for closed fracture Notes ↗
S02.19XB Other fracture of base of skull, initial encounter for open fracture Notes ↗
S02.30XA Fracture of orbital floor, unspecified side, initial encounter for closed fracture Notes ↗
S02.30XB Fracture of orbital floor, unspecified side, initial encounter for open fracture Notes ↗
S02.31XA Fracture of orbital floor, right side, initial encounter for closed fracture Notes ↗
S02.31XB Fracture of orbital floor, right side, initial encounter for open fracture Notes ↗
S02.32XA Fracture of orbital floor, left side, initial encounter for closed fracture Notes ↗
S02.32XB Fracture of orbital floor, left side, initial encounter for open fracture Notes ↗
S02.400A Malar fracture, unspecified side, initial encounter for closed fracture Notes ↗
S02.400B Malar fracture, unspecified side, initial encounter for open fracture Notes ↗
S02.401A Maxillary fracture, unspecified side, initial encounter for closed fracture Notes ↗
S02.401B Maxillary fracture, unspecified side, initial encounter for open fracture Notes ↗
S02.402A Zygomatic fracture, unspecified side, initial encounter for closed fracture Notes ↗
S02.402B Zygomatic fracture, unspecified side, initial encounter for open fracture Notes ↗
S02.40AA Malar fracture, right side, initial encounter for closed fracture Notes ↗
S02.40AB Malar fracture, right side, initial encounter for open fracture Notes ↗
S02.40BA Malar fracture, left side, initial encounter for closed fracture Notes ↗
S02.40BB Malar fracture, left side, initial encounter for open fracture Notes ↗
S02.40CA Maxillary fracture, right side, initial encounter for closed fracture Notes ↗
S02.40CB Maxillary fracture, right side, initial encounter for open fracture Notes ↗
S02.40DA Maxillary fracture, left side, initial encounter for closed fracture Notes ↗
S02.40DB Maxillary fracture, left side, initial encounter for open fracture Notes ↗
S02.40EA Zygomatic fracture, right side, initial encounter for closed fracture Notes ↗
S02.40EB Zygomatic fracture, right side, initial encounter for open fracture Notes ↗
S02.40FA Zygomatic fracture, left side, initial encounter for closed fracture Notes ↗
S02.40FB Zygomatic fracture, left side, initial encounter for open fracture Notes ↗
S02.411A LeFort I fracture, initial encounter for closed fracture Notes ↗
S02.411B LeFort I fracture, initial encounter for open fracture Notes ↗
S02.412A LeFort II fracture, initial encounter for closed fracture Notes ↗
S02.412B LeFort II fracture, initial encounter for open fracture Notes ↗
S02.413A LeFort III fracture, initial encounter for closed fracture Notes ↗
S02.413B LeFort III fracture, initial encounter for open fracture Notes ↗
S02.42XA Fracture of alveolus of maxilla, initial encounter for closed fracture Notes ↗
S02.42XB Fracture of alveolus of maxilla, initial encounter for open fracture Notes ↗
S02.600A Fracture of unspecified part of body of mandible, unspecified side, initial encounter for closed fracture Notes ↗
S02.600B Fracture of unspecified part of body of mandible, unspecified side, initial encounter for open fracture Notes ↗
S02.601A Fracture of unspecified part of body of right mandible, initial encounter for closed fracture Notes ↗
S02.601B Fracture of unspecified part of body of right mandible, initial encounter for open fracture Notes ↗
S02.602A Fracture of unspecified part of body of left mandible, initial encounter for closed fracture Notes ↗
S02.602B Fracture of unspecified part of body of left mandible, initial encounter for open fracture Notes ↗
S02.609A Fracture of mandible, unspecified, initial encounter for closed fracture Notes ↗
S02.609B Fracture of mandible, unspecified, initial encounter for open fracture Notes ↗
S02.610A Fracture of condylar process of mandible, unspecified side, initial encounter for closed fracture Notes ↗
S02.610B Fracture of condylar process of mandible, unspecified side, initial encounter for open fracture Notes ↗
S02.611A Fracture of condylar process of right mandible, initial encounter for closed fracture Notes ↗
S02.611B Fracture of condylar process of right mandible, initial encounter for open fracture Notes ↗
S02.612A Fracture of condylar process of left mandible, initial encounter for closed fracture Notes ↗
S02.612B Fracture of condylar process of left mandible, initial encounter for open fracture Notes ↗
S02.620A Fracture of subcondylar process of mandible, unspecified side, initial encounter for closed fracture Notes ↗
S02.620B Fracture of subcondylar process of mandible, unspecified side, initial encounter for open fracture Notes ↗
S02.621A Fracture of subcondylar process of right mandible, initial encounter for closed fracture Notes ↗
S02.621B Fracture of subcondylar process of right mandible, initial encounter for open fracture Notes ↗
S02.622A Fracture of subcondylar process of left mandible, initial encounter for closed fracture Notes ↗
S02.622B Fracture of subcondylar process of left mandible, initial encounter for open fracture Notes ↗
S02.630A Fracture of coronoid process of mandible, unspecified side, initial encounter for closed fracture Notes ↗
S02.630B Fracture of coronoid process of mandible, unspecified side, initial encounter for open fracture Notes ↗
S02.631A Fracture of coronoid process of right mandible, initial encounter for closed fracture Notes ↗
S02.631B Fracture of coronoid process of right mandible, initial encounter for open fracture Notes ↗
S02.632A Fracture of coronoid process of left mandible, initial encounter for closed fracture Notes ↗
S02.632B Fracture of coronoid process of left mandible, initial encounter for open fracture Notes ↗
S02.640A Fracture of ramus of mandible, unspecified side, initial encounter for closed fracture Notes ↗
S02.640B Fracture of ramus of mandible, unspecified side, initial encounter for open fracture Notes ↗
S02.641A Fracture of ramus of right mandible, initial encounter for closed fracture Notes ↗
S02.641B Fracture of ramus of right mandible, initial encounter for open fracture Notes ↗
S02.642A Fracture of ramus of left mandible, initial encounter for closed fracture Notes ↗
S02.642B Fracture of ramus of left mandible, initial encounter for open fracture Notes ↗
S02.650A Fracture of angle of mandible, unspecified side, initial encounter for closed fracture Notes ↗
S02.650B Fracture of angle of mandible, unspecified side, initial encounter for open fracture Notes ↗
S02.651A Fracture of angle of right mandible, initial encounter for closed fracture Notes ↗
S02.651B Fracture of angle of right mandible, initial encounter for open fracture Notes ↗
S02.652A Fracture of angle of left mandible, initial encounter for closed fracture Notes ↗
S02.652B Fracture of angle of left mandible, initial encounter for open fracture Notes ↗
S02.66XA Fracture of symphysis of mandible, initial encounter for closed fracture Notes ↗
S02.66XB Fracture of symphysis of mandible, initial encounter for open fracture Notes ↗
S02.670A Fracture of alveolus of mandible, unspecified side, initial encounter for closed fracture Notes ↗
S02.670B Fracture of alveolus of mandible, unspecified side, initial encounter for open fracture Notes ↗
S02.671A Fracture of alveolus of right mandible, initial encounter for closed fracture Notes ↗
S02.671B Fracture of alveolus of right mandible, initial encounter for open fracture Notes ↗
S02.672A Fracture of alveolus of left mandible, initial encounter for closed fracture Notes ↗
S02.672B Fracture of alveolus of left mandible, initial encounter for open fracture Notes ↗
S02.69XA Fracture of mandible of other specified site, initial encounter for closed fracture Notes ↗
S02.69XB Fracture of mandible of other specified site, initial encounter for open fracture Notes ↗
S02.80XA Fracture of other specified skull and facial bones, unspecified side, initial encounter for closed fracture Notes ↗
S02.80XB Fracture of other specified skull and facial bones, unspecified side, initial encounter for open fracture Notes ↗
S02.81XA Fracture of other specified skull and facial bones, right side, initial encounter for closed fracture Notes ↗
S02.81XB Fracture of other specified skull and facial bones, right side, initial encounter for open fracture Notes ↗
S02.82XA Fracture of other specified skull and facial bones, left side, initial encounter for closed fracture Notes ↗
S02.82XB Fracture of other specified skull and facial bones, left side, initial encounter for open fracture Notes ↗
S02.831A Fracture of medial orbital wall, right side, initial encounter for closed fracture Notes ↗
S02.831B Fracture of medial orbital wall, right side, initial encounter for open fracture Notes ↗
S02.832A Fracture of medial orbital wall, left side, initial encounter for closed fracture Notes ↗
S02.832B Fracture of medial orbital wall, left side, initial encounter for open fracture Notes ↗
S02.839A Fracture of medial orbital wall, unspecified side, initial encounter for closed fracture Notes ↗
S02.839B Fracture of medial orbital wall, unspecified side, initial encounter for open fracture Notes ↗
S02.841A Fracture of lateral orbital wall, right side, initial encounter for closed fracture Notes ↗
S02.841B Fracture of lateral orbital wall, right side, initial encounter for open fracture Notes ↗
S02.842A Fracture of lateral orbital wall, left side, initial encounter for closed fracture Notes ↗
S02.842B Fracture of lateral orbital wall, left side, initial encounter for open fracture Notes ↗
S02.849A Fracture of lateral orbital wall, unspecified side, initial encounter for closed fracture Notes ↗
S02.849B Fracture of lateral orbital wall, unspecified side, initial encounter for open fracture Notes ↗
S02.85XA Fracture of orbit, unspecified, initial encounter for closed fracture Notes ↗
S02.85XB Fracture of orbit, unspecified, initial encounter for open fracture Notes ↗
S02.91XA Unspecified fracture of skull, initial encounter for closed fracture Notes ↗
S02.91XB Unspecified fracture of skull, initial encounter for open fracture Notes ↗
S02.92XA Unspecified fracture of facial bones, initial encounter for closed fracture Notes ↗
S02.92XB Unspecified fracture of facial bones, initial encounter for open fracture Notes ↗
S06.1X0A Traumatic cerebral edema without loss of consciousness, initial encounter Notes ↗
S06.1XAA Traumatic cerebral edema with loss of consciousness status unknown, initial encounter Notes ↗
S06.2X0A Diffuse traumatic brain injury without loss of consciousness, initial encounter Notes ↗
S06.2XAA Diffuse traumatic brain injury with loss of consciousness status unknown, initial encounter Notes ↗
S06.300A Unspecified focal traumatic brain injury without loss of consciousness, initial encounter Notes ↗
S06.30AA Unspecified focal traumatic brain injury with loss of consciousness status unknown, initial encounter Notes ↗
S06.310A Contusion and laceration of right cerebrum without loss of consciousness, initial encounter Notes ↗
S06.31AA Contusion and laceration of right cerebrum with loss of consciousness status unknown, initial encounter Notes ↗
S06.320A Contusion and laceration of left cerebrum without loss of consciousness, initial encounter Notes ↗
S06.32AA Contusion and laceration of left cerebrum with loss of consciousness status unknown, initial encounter Notes ↗
S06.330A Contusion and laceration of cerebrum, unspecified, without loss of consciousness, initial encounter Notes ↗
S06.33AA Contusion and laceration of cerebrum, unspecified, with loss of consciousness status unknown, initial encounter Notes ↗
S06.340A Traumatic hemorrhage of right cerebrum without loss of consciousness, initial encounter Notes ↗
S06.34AA Traumatic hemorrhage of right cerebrum with loss of consciousness status unknown, initial encounter Notes ↗
S06.350A Traumatic hemorrhage of left cerebrum without loss of consciousness, initial encounter Notes ↗
S06.35AA Traumatic hemorrhage of left cerebrum with loss of consciousness status unknown, initial encounter Notes ↗
S06.360A Traumatic hemorrhage of cerebrum, unspecified, without loss of consciousness, initial encounter Notes ↗
S06.36AA Traumatic hemorrhage of cerebrum, unspecified, with loss of consciousness status unknown, initial encounter Notes ↗
S06.370A Contusion, laceration, and hemorrhage of cerebellum without loss of consciousness, initial encounter Notes ↗
S06.37AA Contusion, laceration, and hemorrhage of cerebellum with loss of consciousness status unknown, initial encounter Notes ↗
S06.380A Contusion, laceration, and hemorrhage of brainstem without loss of consciousness, initial encounter Notes ↗
S06.38AA Contusion, laceration, and hemorrhage of brainstem with loss of consciousness status unknown, initial encounter Notes ↗
S06.4X0A Epidural hemorrhage without loss of consciousness, initial encounter Notes ↗
S06.4XAA Epidural hemorrhage with loss of consciousness status unknown, initial encounter Notes ↗
S06.5X0A Traumatic subdural hemorrhage without loss of consciousness, initial encounter Notes ↗
S06.5XAA Traumatic subdural hemorrhage with loss of consciousness status unknown, initial encounter Notes ↗
S06.6X0A Traumatic subarachnoid hemorrhage without loss of consciousness, initial encounter Notes ↗
S06.6XAA Traumatic subarachnoid hemorrhage with loss of consciousness status unknown, initial encounter Notes ↗
S06.810A Injury of right internal carotid artery, intracranial portion, not elsewhere classified without loss of consciousness, initial encounter Notes ↗
S06.81AA Injury of right internal carotid artery, intracranial portion, not elsewhere classified with loss of consciousness status unknown, initial encounter Notes ↗
S06.820A Injury of left internal carotid artery, intracranial portion, not elsewhere classified without loss of consciousness, initial encounter Notes ↗
S06.82AA Injury of left internal carotid artery, intracranial portion, not elsewhere classified with loss of consciousness status unknown, initial encounter Notes ↗
S06.890A Other specified intracranial injury without loss of consciousness, initial encounter Notes ↗
S06.89AA Other specified intracranial injury with loss of consciousness status unknown, initial encounter Notes ↗
S06.8A0A Primary blast injury of brain, not elsewhere classified without loss of consciousness, initial encounter Notes ↗
S06.8AAA Primary blast injury of brain, not elsewhere classified with loss of consciousness status unknown, initial encounter Notes ↗
S06.9X0A Unspecified intracranial injury without loss of consciousness, initial encounter Notes ↗
S06.9XAA Unspecified intracranial injury with loss of consciousness status unknown, initial encounter Notes ↗
S06.A0XA Traumatic brain compression without herniation, initial encounter Notes ↗
S06.A1XA Traumatic brain compression with herniation, initial encounter Notes ↗
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