2026 ICD-10-CM Diagnosis Code P70.2Neonatal diabetes mellitus

ICD-10-CM Codes›P00–P96›P70-P74›P70

ICD-10-CM P70.2
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

P70.2 is a billable ICD-10-CM diagnosis code for neonatal diabetes mellitus. 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
P70.2
Billable Status
Yes — Valid for Submission
Code Describes
Neonatal diabetes mellitus
Short Description
Neonatal diabetes mellitus
Same as the full description in the CMS dataset.
Parent Code
P70
Transitory disorders of carbohydrate metabolism specific to newborn

Code Classification

ChapterP00–P96Certain conditions originating in the perinatal period
SectionP70-P74Transitory endocrine and metabolic disorders specific to newborn
CategoryP70Transitory disorders of carbohydrate metabolism specific to newborn
This CodeP70.2Neonatal diabetes mellitus

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • DEND syndrome
  • Diabetes mellitus in neonate small for gestational age
  • Diabetes mellitus, transient neonatal 1
  • Diabetes mellitus, transient neonatal 2
  • Diabetes mellitus, transient neonatal 3
  • Intermediate DEND syndrome
  • Neonatal diabetes mellitus
  • Neonatal diabetes, congenital hypothyroidism, congenital glaucoma, hepatic fibrosis, polycystic kidney syndrome
  • Newly diagnosed diabetes
  • Permanent neonatal diabetes mellitus
  • Primary microcephaly, epilepsy, permanent neonatal diabetes syndrome
  • Transient neonatal diabetes mellitus

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.

    • Diabetes, diabetic(mellitus) (sugar)
      • neonatal (transient)
    • Syndrome
      • diabetes mellitus in newborn infant

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

  • K ATP Associated Transient Neonatal Diabetes Mellitus|TNDM

    k atp channel-associated neonatal diabetes mellitus that resolves spontaneously.

  • Transient Neonatal Diabetes Mellitus

    hyperglycemia in the first month of life due to a genetically determined defect in the structure, secretion and/or function of insulin that resolves spontaneously within nine months of onset.

  • Permanent Neonatal Diabetes Mellitus

    hyperglycemia in the first month of life due to a genetically determined defect in the structure, secretion and/or function of insulin that does not resolve spontaneously.

Patient EducationClinical

Diabetes

Diabetes, also known as diabetes mellitus, is a disease in which your blood glucose, or blood sugar, levels are too high. Glucose is your body's main source of energy. Your body can make glucose, but it also comes from the food you eat. Insulin is a hormone made by your pancreas.

The full article covers:

  • What is diabetes?
  • What are the types of diabetes?
  • What causes diabetes?
  • Who is more likely to develop diabetes?
  • What are the symptoms of diabetes?
  • How is diabetes diagnosed?
  • What are the treatments for diabetes?
  • Can diabetes be prevented?

Read the full article at MedlinePlus

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

Convert P70.2 to ICD-9-CMHistory

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

ICD-9-CM
775.1 Neonat diabetes mellitus
Exact Match The mapping is direct, with no qualifiers.

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 P70.2Overview

Is P70.2 a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report neonatal diabetes mellitus on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What is the ICD-9 equivalent of P70.2?

Under the General Equivalence Mappings, neonatal diabetes mellitus converts to ICD-9-CM 775.1 (neonat diabetes mellitus). The mapping is a direct match.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.