Convert to ICD-10-CM: 
920 converts approximately to:
- 2015/16 ICD-10-CM S00.93XA Contusion of unspecified part of head, initial encounterOr: 
- 2015/16 ICD-10-CM S10.93XA Contusion of unspecified part of neck, initial encounter
 ICD-9-CM Volume 2 Index entries containing back-references to 
920:
- Cephalhematocele, cephalematocele traumatic (see also Contusion, head) 920 traumatic (see also Contusion, head) 920
 
- Cephalhematoma, cephalematoma (calcified) traumatic (see also Contusion, head) 920 traumatic (see also Contusion, head) 920
 
- Contusion (skin surface intact) 924.9  auditory canal (external) (meatus) (and other part(s) of neck, scalp, or face, except eye) 920 auditory canal (external) (meatus) (and other part(s) of neck, scalp, or face, except eye) 920
  auricle, ear (and other part(s) of neck, scalp, or face except eye) 920 auricle, ear (and other part(s) of neck, scalp, or face except eye) 920
  brow (and other part(s) of neck, scalp, or face, except eye) 920 brow (and other part(s) of neck, scalp, or face, except eye) 920
  cheek(s) (and other part(s) of neck, scalp, or face, except eye) 920 cheek(s) (and other part(s) of neck, scalp, or face, except eye) 920
  chin (and other part(s) of neck, scalp, or face, except eye) 920 chin (and other part(s) of neck, scalp, or face, except eye) 920
  ear (and other part(s) of neck, scalp, or face except eye) 920 ear (and other part(s) of neck, scalp, or face except eye) 920
  face (and neck, or scalp, any part, except eye) 920 face (and neck, or scalp, any part, except eye) 920
  forehead (and other part(s) of neck, scalp, or face, except eye) 920 forehead (and other part(s) of neck, scalp, or face, except eye) 920
  gum(s) (and other part(s) of neck, scalp, or face, except eye) 920 gum(s) (and other part(s) of neck, scalp, or face, except eye) 920
  head (any part, except eye) (and face) (and neck) 920 head (any part, except eye) (and face) (and neck) 920
  larynx (and other part(s) of neck, scalp, or face, except eye) 920 larynx (and other part(s) of neck, scalp, or face, except eye) 920
  lingual (and other part(s) of neck, scalp, or face, except eye) 920 lingual (and other part(s) of neck, scalp, or face, except eye) 920
  lip(s) (and other part(s) of neck, scalp, or face, except eye) 920 lip(s) (and other part(s) of neck, scalp, or face, except eye) 920
  malar region (and other part(s) of neck, scalp, or face, except eye) 920 malar region (and other part(s) of neck, scalp, or face, except eye) 920
  mandibular joint (and other part(s) of neck, scalp, or face, except eye) 920 mandibular joint (and other part(s) of neck, scalp, or face, except eye) 920
  mastoid region (and other part(s) of neck, scalp, or face, except eye) 920 mastoid region (and other part(s) of neck, scalp, or face, except eye) 920
  mouth (and other part(s) of neck, scalp, or face, except eye) 920 mouth (and other part(s) of neck, scalp, or face, except eye) 920
  nasal (septum) (and other part(s) of neck, scalp, or face, except eye) 920 nasal (septum) (and other part(s) of neck, scalp, or face, except eye) 920
  neck (and scalp, or face, any part, except eye) 920 neck (and scalp, or face, any part, except eye) 920
  nose (and other part(s) of neck, scalp, or face, except eye) 920 nose (and other part(s) of neck, scalp, or face, except eye) 920
  occipital region (scalp) (and neck or face, except eye) 920 occipital region (scalp) (and neck or face, except eye) 920  lobe - see Contusion, brain, occipital lobe lobe - see Contusion, brain, occipital lobe
 
  palate (soft) (and other part(s) of neck, scalp, or face, except eye) 920 palate (soft) (and other part(s) of neck, scalp, or face, except eye) 920
  parietal region (scalp) (and neck, or face, except eye) 920 parietal region (scalp) (and neck, or face, except eye) 920  lobe - see Contusion, brain lobe - see Contusion, brain
 
  pharynx (and other part(s) of neck, scalp, or face, except eye) 920 pharynx (and other part(s) of neck, scalp, or face, except eye) 920
  salivary ducts or glands (and other part(s) of neck, scalp, or face, except eye) 920 salivary ducts or glands (and other part(s) of neck, scalp, or face, except eye) 920
  scalp (and neck, or face any part, except eye) 920 scalp (and neck, or face any part, except eye) 920
  skull 920 skull 920
  submaxillary region (and other part(s) of neck, scalp, or face, except eye) 920 submaxillary region (and other part(s) of neck, scalp, or face, except eye) 920
  submental region (and other part(s) of neck, scalp, or face, except eye) 920 submental region (and other part(s) of neck, scalp, or face, except eye) 920
  supraclavicular fossa (and other part(s) of neck, scalp, or face, except eye) 920 supraclavicular fossa (and other part(s) of neck, scalp, or face, except eye) 920
  supraorbital (and other part(s) of neck, scalp, or face, except eye) 920 supraorbital (and other part(s) of neck, scalp, or face, except eye) 920
  temple (region) (and other part(s) of neck, scalp, or face, except eye) 920 temple (region) (and other part(s) of neck, scalp, or face, except eye) 920
  throat (and other part(s) of neck, scalp, or face, except eye) 920 throat (and other part(s) of neck, scalp, or face, except eye) 920
  tongue (and other part(s) of neck, scalp, or face, except eye) 920 tongue (and other part(s) of neck, scalp, or face, except eye) 920
  tympanum (membrane) (and other part(s) of neck, scalp, or face, except eye) 920 tympanum (membrane) (and other part(s) of neck, scalp, or face, except eye) 920
  uvula (and other part(s) of neck, scalp, or face, except eye) 920 uvula (and other part(s) of neck, scalp, or face, except eye) 920
  vocal cord(s) (and other part(s) of neck, scalp, or face, except eye) 920 vocal cord(s) (and other part(s) of neck, scalp, or face, except eye) 920
 
- Hematoma (skin surface intact) (traumatic) - see also Contusion capitis 920 capitis 920
  lingual (and other parts of neck, scalp, or face, except eye) 920 lingual (and other parts of neck, scalp, or face, except eye) 920
  nasal (septum) (and other part(s) of neck, scalp, or face, except eye) 920 nasal (septum) (and other part(s) of neck, scalp, or face, except eye) 920
  pericranial (and neck, or face any part, except eye) 920 pericranial (and neck, or face any part, except eye) 920
  scalp (and neck, or face any part, except eye) 920 scalp (and neck, or face any part, except eye) 920
  vocal cord 920 vocal cord 920