Home > 2007 ICD-9-CM Diagnosis Codes > Injury And Poisoning 800-999 > Other And Unspecified Effects Of External Causes 990-995 > Effects of reduced temperature 991-
Specific code 2007 ICD-9-CM Diagnosis Code 991.4
Immersion foot
  • ICD-9-CM 991.4 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 991.4 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
  • You are viewing the 2007 version of ICD-9-CM 991.4.
  • More recent version(s) of ICD-9-CM 991.4: 2008 2009 2010 2011 2012 2013 2014 2015.
Convert to ICD-10-CM: 991.4 converts approximately to:
  • 2015/16 ICD-10-CM T69.029A Immersion foot, unspecified foot, initial encounter
Approximate Synonyms
  • Left immersion hand
  • Left trench foot
  • Right immersion hand
  • Right trench foot
Applies To
  • Trench foot
ICD-9-CM Volume 2 Index entries containing back-references to 991.4:
  • Acrotrophodynia 991.4
  • Effect, adverse NEC
    • immersion, foot 991.4
    • reduced temperature 991.9
      • frostbite - see Frostbite
      • immersion, foot (hand) 991.4
      • specified effect NEC 991.8
  • Immersion 994.1
    • foot 991.4
    • hand 991.4
  • Maceration
    • wet feet, tropical (syndrome) 991.4
  • Stasis
    • foot 991.4
  • Syndrome - see also Disease
    • tropical wet feet 991.4
    • wet
      • brain (alcoholic) 303.9
      • feet (maceration) (tropical) 991.4
      • lung
      • adult 518.5
      • newborn 770.6
  • Trench
    • foot 991.4
  • Tropical - see also condition
    • maceration feet (syndrome) 991.4
    • wet foot (syndrome) 991.4
  • Wet
    • feet, tropical (syndrome) (maceration) 991.4
 991.3 ICD9Data.com 991.5 
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 991.4 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2007 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.
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