2026 ICD-10-CM Diagnosis Code P93.0Grey baby syndrome

ICD-10-CM Codes›P00–P96›P90-P96›P93

ICD-10-CM P93.0
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

P93.0 is a billable ICD-10-CM diagnosis code for grey baby syndrome. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). Coders also document this condition as drug reaction AND/OR intoxication specific to newborn. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified and unspecified perinatal conditions.

Code Identity

ICD-10-CM Code
P93.0
Billable Status
Yes — Valid for Submission
Code Describes
Grey baby syndrome
Short Description
Grey baby syndrome
Same as the full description in the CMS dataset.
Parent Code
P93
Reactions and intoxications due to drugs administered to newborn

Code Classification

ChapterP00–P96Certain conditions originating in the perinatal period
SectionP90-P96Other disorders originating in the perinatal period
CategoryP93Reactions and intoxications due to drugs administered to newborn
This CodeP93.0Grey baby syndrome

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Drug reaction AND/OR intoxication specific to newborn
  • Gray syndrome from chloramphenicol administration in newborn
  • Newborn drug intoxication
  • Newborn drug reaction

Tabular List NotesGuidance

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

Inclusion Terms

  • Grey syndrome from chloramphenicol administration in newborn

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.

    • Gray syndrome(newborn)
    • Grey syndrome(newborn)
    • Intoxication
      • drug
        • newborn
          • gray baby syndrome
    • Reaction
      • drug NEC
        • newborn
          • gray baby syndrome
    • Syndrome
      • gray or grey (newborn)

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

Patient EducationClinical

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Convert P93.0 to ICD-9-CMHistory

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

ICD-9-CM
779.4 NB drug reaction/intoxic
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 P93.0Overview

Is P93.0 a billable code?

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

What is the ICD-9 equivalent of P93.0?

Under the General Equivalence Mappings, grey baby syndrome converts to ICD-9-CM 779.4 (NB drug reaction/intoxic). 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.