M1162 Patient had encephalitis due to the tetanus, diphtheria or pertussis vaccine any time on or before the patient's 13th birthday
Billable / valid for submission HCPCS Release 2026Q3
Short description: Pt enceph due to dtp bef 13
Version history
| Release | Valid from | Valid to | Description | Billable |
|---|---|---|---|---|
| 2026Q3 | 2026-07-01 | current | Patient had encephalitis due to the tetanus, diphtheria or pertussis vaccine any time on or before the patient's 13th birthday | yes |
Related codes in M11
- M1106 The start of an episode of care documented in the medical record
- M1107 Documentation stating patient has a diagnosis of a degenerative neurological condition such as als, ms, or parkinson's diagnosed at any time before or during the episode of care
- M1108 Ongoing care not clinically indicated because the patient needed a home program only, referral to another provider or facility, or consultation only, as documented in the medical record
- M1109 Ongoing care not medically possible because the patient was discharged early due to specific medical events, documented in the medical record, such as the patient became hospitalized or scheduled for surgery
- M1110 Ongoing care not possible because the patient self-discharged early (e.g., financial or insurance reasons, transportation problems, or reason unknown)
- M1111 The start of an episode of care documented in the medical record
- M1112 Documentation stating patient has a diagnosis of a degenerative neurological condition such as als, ms, or parkinson's diagnosed at any time before or during the episode of care
- M1113 Ongoing care not clinically indicated because the patient needed a home program only, referral to another provider or facility, or consultation only, as documented in the medical record
- M1114 Ongoing care not medically possible because the patient was discharged early due to specific medical events, documented in the medical record, such as the patient became hospitalized or scheduled for surgery
- M1115 Ongoing care not possible because the patient self-discharged early (e.g., financial or insurance reasons, transportation problems, or reason unknown)
- M1116 The start of an episode of care documented in the medical record
- M1117 Documentation stating patient has a diagnosis of a degenerative neurological condition such as als, ms, or parkinson's diagnosed at any time before or during the episode of care
- M1118 Ongoing care not clinically indicated because the patient needed a home program only, referral to another provider or facility, or consultation only, as documented in the medical record
- M1119 Ongoing care not medically possible because the patient was discharged early due to specific medical events, documented in the medical record, such as the patient became hospitalized or scheduled for surgery
- M1120 Ongoing care not possible because the patient self-discharged early (e.g., financial or insurance reasons, transportation problems, or reason unknown)
- M1121 The start of an episode of care documented in the medical record
- M1122 Documentation stating patient has a diagnosis of a degenerative neurological condition such as als, ms, or parkinson's diagnosed at any time before or during the episode of care
- M1123 Ongoing care not clinically indicated because the patient needed a home program only, referral to another provider or facility, or consultation only, as documented in the medical record
- M1124 Ongoing care not medically possible because the patient was discharged early due to specific medical events, documented in the medical record, such as the patient became hospitalized or scheduled for surgery
- M1125 Ongoing care not possible because the patient self-discharged early (e.g., financial or insurance reasons, transportation problems, or reason unknown)