Specific code 2012 ICD-9-CM Diagnosis Code 270.4
Disturbances of sulphur-bearing amino-acid metabolism
  • Short description: Sulph amino-acid met dis.
  • ICD-9-CM 270.4 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 270.4 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
  • You are viewing the 2012 version of ICD-9-CM 270.4.
  • More recent version(s) of ICD-9-CM 270.4: 2013 2014.
Disease Synonyms
  • 5,10-Methylenetetrahydrofolate reductase deficiency
  • Deficiency, methylenetetrahydrofolate reductase
  • Disorder of sulfur-bearing amino acid metabolism
  • Disorder of sulphur bearing amino acid metabolism
  • Heterozygous methylenetetrahydrofolate reductase mutation
  • Homocystinemia
  • Homocystinuria
  • Homozygous methylenetetrahydrofolate reductase mutation
  • Methylenetetrahydrofolate reductase deficiency
  • Methylenetetrahydrofolate reductase mutation
  • Sulphur bearing amino acid metabolism disorder
Applies To
  • Cystathioninemia
  • Cystathioninuria
  • Disturbances of metabolism of methionine, homocystine, and cystathionine
  • Homocystinuria
  • Hypermethioninemia
  • Methioninemia
Convert to ICD-10-CM: 270.4 converts approximately to:
  • 2014 ICD-10-CM E72.10 Disorders of sulfur-bearing amino-acid metabolism, unspecified
    Or:
  • 2014 ICD-10-CM E72.11 Homocystinuria
    Or:
  • 2014 ICD-10-CM E72.19 Other disorders of sulfur-bearing amino-acid metabolism
ICD-9-CM Volume 2 Index entries containing back-references to 270.4:
  • Cystathioninemia 270.4
  • Cystathioninuria 270.4
  • Deficiency, deficient
    • methylenetetrahydrofolate reductase (MTHFR) 270.4
  • Disorder - see also Disease
    • amino acid (metabolic) (see also Disturbance, metabolism, amino acid) 270.9
  • Disturbance - see also Disease
  • Homocystinemia 270.4
  • Homocystinuria 270.4
  • Hypermethioninemia 270.4
  • Malabsorption 579.9
    • methionine 270.4
  • Methioninemia 270.4
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 270.4 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 2012 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.