When is ICD-10 code P71 used?

Doctors, hospitals, and insurers may use ICD-10 code P71 when recording transitory neonatal disorders of calcium and magnesium metabolism in a standardized format. This entry may also act as a broader category that points toward more specific child codes.

Does ICD-10 code P71 confirm a diagnosis?

No. A code helps standardize documentation and claims, but it should not be read as a substitute for a clinician's full assessment.

ICD10

ICD-10 Code P71: Transitory neonatal disorders of calcium and magnesium metabolism

Name: ICD-10 Code P71: Transitory neonatal disorders of calcium and magnesium metabolism
Creator: HealthAssure Clinical Team
Published: 2026-05-21T06:29:18.610Z

P71 is an ICD-10 diagnosis entry used to group records related to Transitory neonatal disorders of calcium and magnesium metabolism. You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen. ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Certain conditions originating in the perinatal period (P00-P96).

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Certain conditions originating in the perinatal period (P00-P96).

When is it used?

May be used when a clinician documents transitory neonatal disorders of calcium and magnesium metabolism in a patient's medical record.
May appear in hospital records, claims, referrals, and clinical documentation.
This code may act more like a grouping or parent code, so a more specific child code may be used in final documentation when available.

What it does not mean

A code alone does not explain severity, treatment plan, or outcome.
A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
This entry may represent a broader category rather than the most specific billable code.

Code hierarchy

chapter

16Certain conditions originating in the perinatal period (P00-P96)

block

P70-P74Transitory endocrine and metabolic disorders specific to newborn

currentP70-P74

Where you may see this code

You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen.

Related specialists

PediatricianNeonatologist

Sibling codes

P70Transitory disorders of carbohydrate metabolism specific to newborn P72Other transitory neonatal endocrine disorders P74Other transitory neonatal electrolyte and metabolic disturbances

Coding guidelines

Compatibility

Legacy code aligns to an official FY 2026 category. Frontend should resolve to the official category page and surface the billable child codes.

Legacy codes

P71

Replacement codes

P71.0 — Cow's milk hypocalcemia in newbornP71.1 — Other neonatal hypocalcemiaP71.2 — Neonatal hypomagnesemiaP71.3 — Neonatal tetany without calcium or magnesium deficiencyP71.4 — Transitory neonatal hypoparathyroidismP71.8 — Other transitory neonatal disorders of calcium and magnesium metabolismP71.9 — Transitory neonatal disorder of calcium and magnesium metabolism, unspecified

Common synonyms

Transitory neonatal disorders of calcium and magnesium metabolism

Frequently asked questions

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.