Treatment performed on patients with head injuries at deployed US-MTF and UK-MTF
| Group | ICD-9 procedure codes | OPCS-4 procedure codes | US military | UK military | Other coalition military | Host nation military | Host nation civilians | All |
| All head (excluding scalp) | 517 | 28 | 58 | 429 | 883 | 1915 | ||
| Repair of brain, dura or meninges | 02.11–02.13, 02.92, 02.99 | A39.2–A39.9 | 120 | 6 | 6 | 88 | 221 | 441 |
| Elevation skull fragment | 2.02 | V05.3 | 128 | 12 | 12 | 110 | 284 | 546 |
| Craniectomy or craniotomy | 01.23–01.25 | V03.1, V03.7, V03.8 | 312 | 20 | 35 | 279 | 593 | 1239 |
| ICP monitor placement | 01.10, 01.26 | A11.3, A20.3 | 69 | 3 | 2 | 47 | 71 | 192 |
Figures includes survivors and died of wounds only (killed in action excluded).
ICD-9, International Classification of Disease version 9; ICP, Intracranial Pressure; MTF, medical treatment facility; OPCS, Classification of Interventions and Procedures.