P72.1 Transitory neonatal hyperthyroidism

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applicable to

• Neonatal thyrotoxicosis

Applies from P72 Other transitory neonatal endocrine disorders

Excludes1 (never code together)

• congenital hypothyroidism with or without goiter (E03.0-E03.1)
• dyshormogenetic goiter (E07.1)
• dyshormonogenetic goiter (E07.1)
• Pendred's syndrome (E07.1)

MS-DRG index

Defines the logic of DRG(s) 791 in MDC 15.

Approximate ICD-9-CM (GEMs)

• 775.3 Neonatal thyrotoxicosis

Code annotations containing back-references to P72.1

Back-references to P72.1

• Type 1 Excludes: E05 Thyrotoxicosis [hyperthyroidism] ("neonatal thyrotoxicosis (P72.1)")

Back-references to P72

• Type 2 Excludes: P00 Newborn affected by maternal conditions that may be unrelated to present pregnancy ("newborn affected by maternal endocrine and metabolic disorders (P70-P74)")

Diagnosis Index entries for P72.1

• Hyperthyroidism (latent) (pre-adult) (recurrent) › neonatal, transitory
• Thyrotoxicosis (recurrent) › neonatal (transient)

Nearby codes

• P72 Other transitory neonatal endocrine disorders
• P72.0 Neonatal goiter, not elsewhere classified
• P72.1 Transitory neonatal hyperthyroidism (this code)
• P72.2 Other transitory neonatal disorders of thyroid function, not elsewhere classified
• P72.8 Other specified transitory neonatal endocrine disorders
• P72.9 Transitory neonatal endocrine disorder, unspecified