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ICD-10-CM Code Q02
Microcephaly

BILLABLE
Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
POA Exempt
POA Exempt Code
The Center for Medicare & Medicaid Services (CMS) requires medical coders to indicate whether or not a condition was present at the time of admission, in order to properly assign MS-DRG codes. This "Present On Admission" (POA) indicator is recorded on CMS form 4010A.
| ICD-10 from 2011 - 2016

Q02 is a billable ICD code used to specify a diagnosis of microcephaly. A 'billable code' is detailed enough to be used to specify a medical diagnosis.

POA Indicators on CMS form 4010A are as follows:

IndicatorMeaningCMS Will Pay CC/MCC DRG Costs
YDiagnosis was present at time of inpatient admissionYes
NDiagnosis was not present at time of inpatient admissionNo
UDocumentation insufficient to determine if the condition was present at the time of inpatient admission.No
WClinically undetermined. Provider unable to clinically determine whether the condition was present at the time of inpatient admission.Yes
1Exempt from POA reportingNo


The ICD code Q02 is used to code Microcephaly

Medical genetics

Specialty: Medical Genetics
MeSH Code: D008831
ICD 9 Code: 742.1

Neural scans of a normal-sized skull (left) and a case of microcephaly (right)

Source: Wikipedia

Coding Notes for Q02 Info for medical coders on how to properly use this ICD-10 code

Code Includes Notes:
Includes
Includes notes further define, or give examples of, conditions included in the section.
Hydromicrocephaly
Micrencephalon
Code Type-1 Excludes:
Type-1 Excludes
Type-1 Excludes mean the conditions excluded are mutually exclusive and should never be coded together. Excludes 1 means "do not code here."
Meckel-Gruber syndrome - instead, use code Q61.9

MS-DRG Mapping

  • DRG Group #091-093 - Other disorders of nervous system with MCC.
  • DRG Group #091-093 - Other disorders of nervous system with CC.
  • DRG Group #091-093 - Other disorders of nervous system without CC or MCC.
  • DRG Group #793 - Full term neonate with major problems.

Related Concepts SNOMET-CT

  • Osteogenesis imperfecta, recessive perinatal lethal, with microcephaly AND cataracts (disorder)
  • Mowat-Wilson syndrome (disorder)

ICD-10-CM Alphabetical Index References for 'Q02 - Microcephaly'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code Q02. Click on any term below to browse the alphabetical index.

Oligoencephalon (Q02)
Micrencephalon, micrencephaly (Q02)
Microcephalus, microcephalic, microcephaly (Q02)
Microencephalon (Q02)
Hydromicrocephaly (Q02)

Equivalent ICD-9 Code GENERAL EQUIVALENCE MAPPINGS (GEM)

Microcephalus (exact match)

This is the official exact match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that in all cases where the ICD9 code 742.1 was previously used, Q02 is the appropriate modern ICD10 code.


** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/Q02