Specific code 2011 ICD-9-CM Diagnosis Code 999.5
Other serum reaction not elsewhere classified
  • Short description: Serum reaction NEC.
  • ICD-9-CM 999.5 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 999.5 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
  • You are viewing the 2011 version of ICD-9-CM 999.5.
  • More recent version(s) of ICD-9-CM 999.5: 2012 2013 2014.
999.5 Excludes
Applies To
  • Intoxication by serum
  • Protein sickness
  • Serum rash
  • Serum sickness
  • Urticaria due to serum
  • No ICD-10-CM code(s) convert to ICD-9-CM 999.5
ICD-9-CM Volume 2 Index entries containing back-references to 999.5:
  • Allergy, allergic (reaction) 995.3
    • serum (prophylactic) (therapeutic) 999.5
    • shock (anaphylactic) (due to adverse effect of correct medicinal substance properly administered) 995.0
      • food - see Anaphylactic shock, due to, food
      • from serum or immunization 999.5
  • Arthus phenomenon 995.21
    • due to
      • correct substance properly administered 995.21
      • overdose or wrong substance given or taken 977.9
        • specified drug - see Table of Drugs and Chemicals
      • serum 999.5
  • Complications
    • vaccination 999.9
      • anaphylaxis NEC 999.4
      • cellulitis 999.39
      • encephalitis or encephalomyelitis 323.51
      • hepatitis (serum) (type B) (within 8 months after administration) - see Hepatitis, viral
      • infection (general) (local) NEC 999.39
      • jaundice (serum) (within 8 months after administration) - see Hepatitis, viral
      • meningitis 997.09 [321.8]
      • myelitis 323.52
      • protein sickness 999.5
      • reaction (allergic) 999.5
        • Herxheimer's 995.0
        • serum 999.5
      • sepsis 999.39
      • serum intoxication, sickness, rash, or other serum reaction NEC 999.5
      • shock (allergic) (anaphylactic) 999.4
      • subacute yellow atrophy of liver (within 8 months after administration) - see Hepatitis, viral
      • vaccinia (generalized) 999.0
  • Disease, diseased - see also Syndrome
    • serum NEC 999.5
  • Effect, adverse NEC
    • serum (prophylactic) (therapeutic) NEC 999.5
  • Encephalopathy (acute) 348.30
    • due to
      • birth injury (intracranial) 767.8
      • dialysis 294.8
      • drugs - (see also Table of Drugs and Chemicals) 348.39
      • hyperinsulinism - see Hyperinsulinism
      • influenza (virus) (see also Influenza) 487.8
      • lack of vitamin (see also Deficiency, vitamin) 269.2
      • nicotinic acid deficiency 291.2
      • serum (nontherapeutic) (therapeutic) 999.5
      • syphilis 094.81
      • trauma (postconcussional) 310.2
        • current (see also Concussion, brain) 850.9
          • with skull fracture - see Fracture, skull, by site, with intracranial injury
      • vaccination 323.51
  • Intoxication
    • serum (prophylactic) (therapeutic) 999.5
  • Neuritis (see also Neuralgia) 729.2
    • serum 999.5
  • Protein
    • sickness (prophylactic) (therapeutic) 999.5
  • Rash 782.1
    • serum (prophylactic) (therapeutic) 999.5
  • Reaction
    • allergic (see also Allergy) 995.3
      • drug, medicinal substance, and biological - see Allergy, drug
      • due to correct medical substance properly administered 995.27
      • food - see Allergy, food
      • serum 999.5
    • serum (prophylactic) (therapeutic) 999.5
  • Serum
    • allergy, allergic reaction 999.5
    • complication or reaction NEC 999.5
    • disease NEC 999.5
    • intoxication 999.5
    • neuritis 999.5
    • poisoning NEC 999.5
    • rash NEC 999.5
    • reaction NEC 999.5
    • sickness NEC 999.5
  • Sickness
    • protein (see also Complications, vaccination) 999.5
    • serum NEC 999.5
  • Urticaria 708.9
    • serum 999.5
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 999.5 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 2011 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.