Instruction Source: E70.21
Tyrosinemia
Instruction Source: E70.2
Disorders of tyrosine metabolism
Excludes 1 (Mutually Exclusive)
- transitory tyrosinemia of newborn (P74.5)
Instruction Source: E70
Disorders of aromatic amino-acid metabolism
Instruction Source: E70-E88
Metabolic disorders (E70-E88)
Excludes 1 (Mutually Exclusive)
- 5-alpha-reductase deficiency (E29.1)
- Marfan syndrome (Q87.4-)
- androgen insensitivity syndrome (E34.5-)
- congenital adrenal hyperplasia (E25.0)
- hemolytic anemias attributable to enzyme disorders (D55.-)
Excludes 2 (Not Included Here)
- Ehlers-Danlos syndromes (Q79.6-)
Instruction Source: E00-E89
Endocrine, nutritional and metabolic diseases
Excludes 1 (Mutually Exclusive)
- transitory endocrine and metabolic disorders specific to newborn (P70-P74)
Clinical Notes
- 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.