2027 ICD-10-CM Diagnosis Code P74.8Other transitory metabolic disturbances of newborn
ICD-10-CM Codes›P00–P96›P70-P74›P74
- Billable — Valid for Submission
- CC — Complication or Comorbidity
- Not Chronic
P74.8 is a billable ICD-10-CM diagnosis code for other transitory metabolic disturbances of newborn. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 794. 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 28 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.
- Acute metabolic acidosis
- Acyl-CoA dehydrogenase deficiency
- Blood hematinic levels - finding
- Cobalamin deficiency
- Disorder of vitamin B12
- Finding of vitamin B12 level
- Iminoglycinuria
- Neonatal acidosis
- Neonatal disorder due to maternal nutritional disorder
- Neonatal iminoglycinuria
- Neonatal renal disorder
- Neonatal renal impairment
- Neonatal vitamin B12 deficiency due to maternal vitamin B12 deficiency
- Transient neonatal multiple acyl-coenzyme A dehydrogenase deficiency
- Transient neonatal renal tubular acidosis
- Transitory amino acid metabolic disorder
- Vitamin B12 level below reference range
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to P74.8: 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
Applicable To
Conditions this code is used for: synonyms of the title or, for "other specified" codes, the conditions assigned to it. The list is not exhaustive.
- Amino-acid metabolic disorders described as transitory
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 P74.8, its category, or a range that includes it.
Excludes1 1
These codes carry an Excludes1 note naming P74.8: they are not reported together with it, unless the two conditions are unrelated.
- Chapter 4 (E00-E89) Endocrine, nutritional and metabolic diseases
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
Disorder (of) See Also: Disease;
Disturbance (s) See Also: Disease;
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Patient EducationClinical
Metabolic Disorders
Metabolism is the process your body uses to get or make energy from the food you eat. Food is made up of proteins, carbohydrates, and fats. Chemicals in your digestive system break the food parts down into sugars and acids, your body's fuel.
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert P74.8 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About P74.8Overview
What is the ICD-10 code for other transitory metabolic disturbances of newborn?
The ICD-10-CM code for other transitory metabolic disturbances of newborn is P74.8 (sometimes written as P748). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is P74.8 a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report other transitory metabolic disturbances of newborn on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does P74.8 group to?
When other transitory metabolic disturbances of newborn is the principal diagnosis on an inpatient stay, it groups to MS-DRG 794 (neonate with Other Significant Problems), which carries a relative weight of 1.4934. Higher weights mean higher Medicare reimbursement.
Is P74.8 a CC or MCC?
CMS lists P74.8 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 28 closely related codes in its exclusion list.
What is the ICD-9 equivalent of P74.8?
Under the General Equivalence Mappings, other transitory metabolic disturbances of newborn converts to ICD-9-CM 775.89 (neonat endo/met dis NEC). The mapping is approximate, so confirm the match fits the documentation.
