Convert to ICD-10-CM: 
101 converts approximately to:
- 2015/16 ICD-10-CM A69.0 Necrotizing ulcerative stomatitisOr: 
- 2015/16 ICD-10-CM A69.1 Other Vincent's infections
 ICD-9-CM Volume 2 Index entries containing back-references to 
101:
- Angina (attack) (cardiac) (chest) (effort) (heart) (pectoris) (syndrome) (vasomotor) 413.9  pseudomembranous 101 pseudomembranous 101
  Vincent's 101 Vincent's 101
 
- Bacillus - see also Infection, bacillus fusiformis infestation 101 fusiformis infestation 101
 
- Borrelia vincentii (mouth) (pharynx) (tonsils) 101
- Bronchitis (diffuse) (hypostatic) (infectious) (inflammatory) (simple) 490  ulcerative 491.8 ulcerative 491.8   Vincent's 101 Vincent's 101
 
  Vincent's 101 Vincent's 101
 
- Disease, diseased - see also Syndrome Vincent's (trench mouth) 101 Vincent's (trench mouth) 101
 
- Fusospirillosis (mouth) (tongue) (tonsil) 101
- Gingivitis 523.10  necrotizing, acute 101 necrotizing, acute 101
  ulcerative 523.10 ulcerative 523.10   acute necrotizing 101 acute necrotizing 101
 
  Vincent's 101 Vincent's 101
 
- Infection, infected, infective (opportunistic) 136.9  Bacillus NEC 041.89 Bacillus NEC 041.89   abortus 023.1 abortus 023.1 
  anthracis (see also Anthrax) 022.9 anthracis (see also Anthrax) 022.9 
  cereus (food poisoning) 005.89 cereus (food poisoning) 005.89 
  coli - see Infection, Escherichia coli coli - see Infection, Escherichia coli
  coliform NEC 041.85 coliform NEC 041.85 
  Ducrey's (any location) 099.0 Ducrey's (any location) 099.0 
  Flexner's 004.1 Flexner's 004.1 
  Friedländer's NEC 041.3 Friedländer's NEC 041.3 
  fusiformis 101 fusiformis 101
  gas (gangrene) (see also Gangrene, gas) 040.0 gas (gangrene) (see also Gangrene, gas) 040.0 
  mallei 024 mallei 024 
  melitensis 023.0 melitensis 023.0 
  paratyphoid, paratyphosus 002.9 paratyphoid, paratyphosus 002.9 
  Schmorl's 040.3 Schmorl's 040.3 
  Shiga 004.0 Shiga 004.0 
  suipestifer (see also Infection, Salmonella) 003.9 suipestifer (see also Infection, Salmonella) 003.9 
  swimming pool 031.1 swimming pool 031.1 
  typhosa 002.0 typhosa 002.0 
  welchii (see also Gangrene, gas) 040.0 welchii (see also Gangrene, gas) 040.0 
  Whitmore's 025 Whitmore's 025 
 
  Borrelia Borrelia  bergdorfi 088.81 bergdorfi 088.81 
  vincentii (mouth) (pharynx) (tonsil) 101 vincentii (mouth) (pharynx) (tonsil) 101
 
  Vincent's (gums) (mouth) (tonsil) 101 Vincent's (gums) (mouth) (tonsil) 101
 
- Infestation 134.9  Bacillus fusiformis 101 Bacillus fusiformis 101
 
- Laryngitis (acute) (edematous) (fibrinous) (gangrenous) (infective) (infiltrative) (malignant) (membranous) (phlegmonous) (pneumococcal) (pseudomembranous) (septic) (subglottic) (suppurative) (ulcerative) (viral) 464.00  borrelia vincentii 101 borrelia vincentii 101
  Vincent's 101 Vincent's 101
 
- Laryngotracheitis (acute) (infectional) (viral) (see also Laryngitis) 464.20  Borrelia vincenti 101 Borrelia vincenti 101
  Vincent's 101 Vincent's 101
 
- Pharyngitis (acute) (catarrhal) (gangrenous) (infective) (malignant) (membranous) (phlegmonous) (pneumococcal) (pseudomembranous) (simple) (staphylococcal) (subacute) (suppurative) (ulcerative) (viral) 462  fusospirochetal 101 fusospirochetal 101
 
- Stomatitis 528.00  necrotic 528.1 necrotic 528.1   ulcerative 101 ulcerative 101
 
  necrotizing ulcerative 101 necrotizing ulcerative 101
  spirochetal 101 spirochetal 101
  ulcerative 528.00 ulcerative 528.00   necrotizing 101 necrotizing 101
 
  ulceromembranous 101 ulceromembranous 101
  Vincent's 101 Vincent's 101
 
- Tonsillitis (acute) (catarrhal) (croupous) (follicular) (gangrenous) (infective) (lacunar) (lingual) (malignant) (membranous) (phlegmonous) (pneumococcal) (pseudomembranous) (purulent) (septic) (staphylococcal) (subacute) (suppurative) (toxic) (ulcerative) (vesicular) (viral) 463  Vincent's 101 Vincent's 101
 
- Trench mouth 101 mouth 101
 
- Vincent's angina 101 angina 101
  bronchitis 101 bronchitis 101
  disease 101 disease 101
  gingivitis 101 gingivitis 101
  infection (any site) 101 infection (any site) 101
  laryngitis 101 laryngitis 101
  stomatitis 101 stomatitis 101
  tonsillitis 101 tonsillitis 101