2020 ICD-10-CM Diagnosis Code E70.1

Other hyperphenylalaninemias

    2016 2017 2018 2019 2020 Billable/Specific Code
  • E70.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM E70.1 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of E70.1 - other international versions of ICD-10 E70.1 may differ.
The following code(s) above E70.1 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to E70.1:
  • E00-E89
    2020 ICD-10-CM Range E00-E89

    Endocrine, nutritional and metabolic diseases

    Note
    • All neoplasms, whether functionally active or not, are classified in Chapter 2. Appropriate codes in this chapter (i.e. E05.8, E07.0, E16-E31, E34.-) may be used as additional codes to indicate either functional activity by neoplasms and ectopic endocrine tissue or hyperfunction and hypofunction of endocrine glands associated with neoplasms and other conditions classified elsewhere.
    Type 1 Excludes
    • transitory endocrine and metabolic disorders specific to newborn (P70-P74)
    Endocrine, nutritional and metabolic diseases
  • E70-E88
    2020 ICD-10-CM Range E70-E88

    Metabolic disorders

    Type 1 Excludes
    • androgen insensitivity syndrome (E34.5-)
    • congenital adrenal hyperplasia (E25.0)
    • Ehlers-Danlos syndrome (Q79.6-)
    • hemolytic anemias attributable to enzyme disorders (D55.-)
    • Marfan's syndrome (Q87.4)
    • 5-alpha-reductase deficiency (E29.1)
    Metabolic disorders
Approximate Synonyms
  • Classical phenylketonuria
  • Hyperphenylalaninemia
  • Maternal phenylketonuria
  • Phenylketonuria
  • Phenylketonuria, maternal
ICD-10-CM E70.1 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 642 Inborn and other disorders of metabolism

Convert E70.1 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change

Diagnosis Index entries containing back-references to E70.1:
  • Deficiency, deficient
    • phenylalanine hydroxylase E70.1
  • Disorder (of) - see also Disease
    • metabolism NOS E88.9
      ICD-10-CM Diagnosis Code E88.9

      Metabolic disorder, unspecified

        2016 2017 2018 2019 2020 Billable/Specific Code
      • amino-acid E72.9
        ICD-10-CM Diagnosis Code E72.9

        Disorder of amino-acid metabolism, unspecified

          2016 2017 2018 2019 2020 Billable/Specific Code
        • aromatic E70.9
          ICD-10-CM Diagnosis Code E70.9

          Disorder of aromatic amino-acid metabolism, unspecified

            2016 2017 2018 2019 2020 Billable/Specific Code
  • Hyperphenylalaninemia NEC E70.1
  • Phenylketonuria E70.1
    • maternal E70.1

ICD-10-CM Codes Adjacent To E70.1
E66.9 Obesity, unspecified
E67 Other hyperalimentation
E67.0 Hypervitaminosis A
E67.1 Hypercarotenemia
E67.2 Megavitamin-B6 syndrome
E67.3 Hypervitaminosis D
E67.8 Other specified hyperalimentation
E68 Sequelae of hyperalimentation
E70 Disorders of aromatic amino-acid metabolism
E70.0 Classical phenylketonuria
E70.1 Other hyperphenylalaninemias
E70.2 Disorders of tyrosine metabolism
E70.20 Disorder of tyrosine metabolism, unspecified
E70.21 Tyrosinemia
E70.29 Other disorders of tyrosine metabolism
E70.3 Albinism
E70.30 …… unspecified
E70.31 Ocular albinism
E70.310 X-linked ocular albinism
E70.311 Autosomal recessive ocular albinism
E70.318 Other ocular albinism

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.