2027 ICD-10-CM Diagnosis Code P70.2Neonatal diabetes mellitus
ICD-10-CM Codes›P00–P96›P70-P74›P70
- Billable — Valid for Submission
- CC — Complication or Comorbidity
- Chronic Condition
P70.2 is a billable ICD-10-CM diagnosis code for neonatal diabetes mellitus. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 791, 793. As a secondary diagnosis, it counts as a complication or comorbidity (CC) and moves an inpatient stay to a higher severity level within its MS-DRG family. It does not count, however, when the principal diagnosis is one of 44 closely related codes. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified and unspecified perinatal conditions.
Code Identity
Code Classification
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
- Secondary microcephaly
- Transient neonatal diabetes mellitus
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to P70.2: its own notes plus those printed at block P70-P74 and Chapter 16. A note printed at a category, block or chapter applies to every code under it.
Includes
Further defines, or gives examples of, the content of the category.
- transitory endocrine and metabolic disturbances caused by the infant's response to maternal endocrine and metabolic factors, or its adjustment to extrauterine environment
- conditions that have their origin in the fetal or perinatal period (before birth through the first 28 days after birth) even if morbidity occurs later
Excludes2
Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.
Notes
General instructions on how these codes are used.
- Codes from this chapter are for use on newborn records only, never on maternal records
Source: CMS ICD-10-CM Tabular List. How to read instructional notes.
Referenced in Other NotesGuidance
Instructional notes printed at other codes that name P70.2, its category, or a range that includes it.
Excludes1 8
These codes carry an Excludes1 note naming P70.2: they are not reported together with it, unless the two conditions are unrelated.
- E08 Diabetes mellitus due to underlying conditionneonatal diabetes mellitus (P70.2)
- E09 Drug or chemical induced diabetes mellitusneonatal diabetes mellitus (P70.2)
- E10 Type 1 diabetes mellitusneonatal diabetes mellitus (P70.2)
- E11 Type 2 diabetes mellitusneonatal diabetes mellitus (P70.2)
- E13 Other specified diabetes mellitusneonatal diabetes mellitus (P70.2)
- Q45.3 Other congenital malformations of pancreas and pancreatic ductneonatal diabetes mellitus (P70.2)
- Chapter 4 (E00-E89) Endocrine, nutritional and metabolic diseases
- R73 Elevated blood glucose level
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
Syndrome See Also: Disease;
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Clinical InformationClinical
Neonatal Diabetes Mellitus
hyperglycemia in the newborn due to a defect in the secretion or function of insulin.
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.
Code HistoryHistory
Questions About P70.2Overview
What is the ICD-10 code for neonatal diabetes mellitus?
The ICD-10-CM code for neonatal diabetes mellitus is P70.2 (sometimes written as P702). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
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, 2026 through September 30, 2027.
What MS-DRG does P70.2 group to?
When neonatal diabetes mellitus is the principal diagnosis on an inpatient stay, it groups to MS-DRG 793, 791, with relative weights from 4.1073 to 4.2192 depending on complications. Higher weights mean higher Medicare reimbursement.
Is P70.2 a CC or MCC?
CMS lists P70.2 as a CC (complication or comorbidity) for FY 2027. Reported as a secondary diagnosis, it moves the inpatient stay to a higher-weighted DRG within its severity family. It does not count when the principal diagnosis is one of the 44 closely related codes in its exclusion list.
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.
