matic brain injury or immediately after recovery of consciousness and persists past the
acute post-injury period.
Coding note:  For major neurocognitive disorder due to traumatic brain injury, with behavioral
disturbance: For ICD-9-CM, first code 907.0 late effect of intracranial injury without skull frac-
ture, followed by 294.11 major neurocognitive disorder due to traumatic brain injury, with be-
havioral disturbance. For ICD-10-CM, first code S06.2X9S  diffuse traumatic brain injury with
loss of consciousness of unspecified duration, sequela; followed by F02.81  major neurocog-
nitive disorder due to traumatic brain injury, with behavioral disturbance.
For major neurocognitive disorder due to traumatic brain injury, without behavioral distur-
bance: For ICD-9-CM, first code 907.0 late effect of intracranial injury without skull fracture,
followed by 294.10 major neurocognitive disorder due to traumatic brain injury, without be-
havioral disturbance. For ICD-10-CM, first code S06.2X9S  diffuse traumatic brain injury with
loss of consciousness of unspecified duration, sequela; followed by F02.80  major neurocog-
nitive disorder due to traumatic brain injury, without behavioral disturbance.
For mild neurocognitive disorder due to traumatic brain injury, code 331.83 (G31.84).
(Note:  Do not use the additional code for traumatic brain injury. Behavioral disturbance
cannot be coded but should still be indicated in writing.)