HCC 398CMS-HCC V28
Major Head Injury with Loss of Consciousness < 1 Hour or Unspecified
ICD-10-CM codes mapped to HCC 398 (57)
S06.1X1ATraumatic cerebral edema w LOC of 30 minutes or less, initS06.1X2ATraumatic cerebral edema w LOC of 31-59 min, initS06.1X9ATraumatic cerebral edema w LOC of unsp duration, initS06.2X1ADiffuse TBI w LOC of 30 minutes or less, initS06.2X2ADiffuse TBI w loss of consciousness of 31-59 min, initS06.2X9ADiffuse TBI w loss of consciousness of unsp duration, initS06.301AUnsp focal TBI w LOC of 30 minutes or less, initS06.302AUnsp focal TBI w loss of consciousness of 31-59 min, initS06.309AUnsp focal TBI w LOC of unsp duration, initS06.311AContus/lac right cerebrum w LOC of 30 minutes or less, initS06.312AContus/lac right cerebrum w LOC of 31-59 min, initS06.319AContus/lac right cerebrum w LOC of unsp duration, initS06.321AContus/lac left cerebrum w LOC of 30 minutes or less, initS06.322AContus/lac left cerebrum w LOC of 31-59 min, initS06.329AContus/lac left cerebrum w LOC of unsp duration, initS06.331AContus/lac cereb, w LOC of 30 minutes or less, initS06.332AContus/lac cereb, w loss of consciousness of 31-59 min, initS06.339AContus/lac cereb, w LOC of unsp duration, initS06.341ATraum hemor right cerebrum w LOC of 30 minutes or less, initS06.342ATraum hemor right cerebrum w LOC of 31-59 min, initS06.349ATraum hemor right cerebrum w LOC of unsp duration, initS06.351ATraum hemor left cerebrum w LOC of 30 minutes or less, initS06.352ATraum hemor left cerebrum w LOC of 31-59 min, initS06.359ATraum hemor left cerebrum w LOC of unsp duration, initS06.361ATraum hemor cereb, w LOC of 30 minutes or less, initS06.362ATraum hemor cereb, w LOC of 31-59 min, initS06.369ATraum hemor cereb, w LOC of unsp duration, initS06.371AContus/lac/hem crblm w LOC of 30 minutes or less, initS06.372AContus/lac/hem crblm w LOC of 31-59 min, initS06.379AContus/lac/hem crblm w LOC of unsp duration, initS06.381AContus/lac/hem brainstem w LOC of 30 minutes or less, initS06.382AContus/lac/hem brainstem w LOC of 31-59 min, initS06.389AContus/lac/hem brainstem w LOC of unsp duration, initS06.4X1AEpidural hemorrhage w LOC of 30 minutes or less, initS06.4X2AEpidural hemorrhage w LOC of 31-59 min, initS06.4X9AEpidural hemorrhage w LOC of unsp duration, initS06.5X1ATraum subdr hem w LOC of 30 minutes or less, initS06.5X2ATraum subdr hem w loss of consciousness of 31-59 min, initS06.5X9ATraum subdr hem w LOC of unsp duration, initS06.6X1ATraum subrac hem w LOC of 30 minutes or less, initS06.6X2ATraum subrac hem w loss of consciousness of 31-59 min, initS06.6X9ATraum subrac hem w LOC of unsp duration, initS06.811AInj r int carotid, intcr w LOC of 30 minutes or less, initS06.812AInjury of r int carotid, intcr w LOC of 31-59 min, initS06.819AInjury of r int carotid, intcr w LOC of unsp duration, initS06.821AInj l int carotid, intcr w LOC of 30 minutes or less, initS06.822AInjury of l int carotid, intcr w LOC of 31-59 min, initS06.829AInjury of l int carotid, intcr w LOC of unsp duration, initS06.891AIntcran inj w LOC of 30 minutes or less, initS06.892AIntcran inj w loss of consciousness of 31-59 min, initS06.899AIntcran inj w loss of consciousness of unsp duration, initS06.8A1APrimary blast inj brain, NEC LOC of 30 minutes or less, initS06.8A2APrimary blast injury of brain, NEC LOC of 31-59 min, initS06.8A9APrimary blast inj brain, NEC LOC of unsp duration, initS06.9X1AUnsp intracranial injury w LOC of 30 minutes or less, initS06.9X2AUnsp intracranial injury w LOC of 31-59 min, initS06.9X9AUnsp intracranial injury w LOC of unsp duration, init
Frequently asked questions
What is HCC 398?
HCC 398 is the CMS-HCC V28 risk adjustment category for Major Head Injury with Loss of Consciousness < 1 Hour or Unspecified.
How many ICD-10-CM codes map to HCC 398?
57 ICD-10-CM codes map to HCC 398 under the CMS-HCC V28 model.
Risk adjustment data from CMS (public domain). This page shows the HCC category label and its ICD-10-to-HCC crosswalk only — no per-segment coefficients or RAF scores.