2026 ICD-10-CM Diagnosis Code P72.2Other transitory neonatal disorders of thyroid function, not elsewhere classified

ICD-10-CM Codes›P00–P96›P70-P74›P72

ICD-10-CM P72.2
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

P72.2 is a billable ICD-10-CM diagnosis code for other transitory neonatal disorders of thyroid function, not elsewhere classified. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified and unspecified perinatal conditions.

Code Identity

ICD-10-CM Code
P72.2
Billable Status
Yes — Valid for Submission
Code Describes
Other transitory neonatal disorders of thyroid function, not elsewhere classified
Short Description
Oth transitory neonatal disorders of thyroid function, NEC
Parent Code
P72
Other transitory neonatal endocrine disorders

Code Classification

ChapterP00–P96Certain conditions originating in the perinatal period
SectionP70-P74Transitory endocrine and metabolic disorders specific to newborn
CategoryP72Other transitory neonatal endocrine disorders
This CodeP72.2Other transitory neonatal disorders of thyroid function, not elsewhere classified

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Acquired hypothyroidism
  • Congenital hypothyroidism due to transplacental passage of maternal thyroid stimulating hormone binding inhibitory antibody
  • Endocrine myopathy
  • Genetic transient congenital hypothyroidism
  • Hypothyroid myopathy
  • Hypothyroidism
  • Infant hypothyroidism
  • Infant hypothyroidism caused by maternal drug
  • Neonatal iodine exposure
  • Perinatal fetal and/or neonatal thyroid disorder
  • Transient decreased production of T>4<
  • Transient hypothyroidism
  • Transient hypothyroxinemia
  • Transient neonatal endocrine disorder
  • Transient neonatal hypothyroidism

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Inclusion Terms

  • Transitory neonatal hypothyroidism

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Disorder(of)
      • thyroid (gland)
        • function NEC, neonatal, transitory
    • Hypothyroidism(acquired)
      • neonatal, transitory

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR PNL013
Other specified and unspecified perinatal conditions
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Congenital Hypothyroidism

    a condition in infancy or early childhood due to an in-utero deficiency of thyroid hormones that can be caused by genetic or environmental factors, such as thyroid dysgenesis or hypothyroidism in infants of mothers treated with thiouracil during pregnancy. endemic cretinism is the result of iodine deficiency. clinical symptoms include severe mental retardation, impaired skeletal development, short stature, and myxedema.

  • Hypothyroidism

    a syndrome that results from abnormally low secretion of thyroid hormones from the thyroid gland, leading to a decrease in basal metabolic rate. in its most severe form, there is accumulation of mucopolysaccharides in the skin and edema, known as myxedema. it may be primary or secondary due to other pituitary disease, or hypothalamic dysfunction.

  • Acquired Hypothyroidism

    hypothyroidism, the cause of which is not present at birth.

  • Transient Hypothyroxinemia

    reduced concentration of thyroid hormone(s), usually associated with a non-thyroidal illness, that resolves spontaneously.

  • Transient Hypothyroxinemia of Prematurity|Hypothyroxinemia of Prematurity|THOP|Transient Congenital Hypothyroidism

    a common, self-limiting thyroid disorder seen in preterm infants that is characterized by abnormally low serum levels of thyroxine and free thyroxine with normal serum levels of thyroid stimulating hormone.

Patient EducationClinical

Thyroid Diseases

Your thyroid is a small, butterfly-shaped gland in the front of your neck. It makes hormones that control the way the body uses energy. These hormones affect nearly every organ in your body and control many of your body's most important functions. For example, they affect your breathing, heart rate, weight, digestion, and moods.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert P72.2 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
775.89 Neonat endo/met dis NEC
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About P72.2Overview

Is P72.2 (Other transitory neonatal endocrine disorders) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report other transitory neonatal disorders of thyroid function, not elsewhere classified on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What is the ICD-9 equivalent of P72.2?

Under the General Equivalence Mappings, other transitory neonatal disorders of thyroid function, not elsewhere classified converts to ICD-9-CM 775.89 (neonat endo/met dis NEC). The mapping is approximate, so confirm the match fits the documentation.

Footnotes

[1] Not chronic - A diagnosis code that does not fit the criteria for chronic condition (duration, ongoing medical treatment, and limitations) is considered not chronic. Some codes designated as not chronic are acute conditions. Other diagnosis codes that indicate a possible chronic condition, but for which the duration of the illness is not specified in the code description (i.e., we do not know the condition has lasted 12 months or longer) also are considered not chronic.