ICD-10-CM Code Q18.4
Billable CodeBillable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
POA Exempt CodeThe 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.
Q18.4 is a billable ICD code used to specify a diagnosis of macrostomia. A 'billable code' is detailed enough to be used to specify a medical diagnosis.
POA Indicators on CMS form 4010A are as follows:
|Indicator||Meaning||CMS Will Pay CC/MCC DRG Costs|
|Y||Diagnosis was present at time of inpatient admission||Yes|
|N||Diagnosis was not present at time of inpatient admission||No|
|U||Documentation insufficient to determine if the condition was present at the time of inpatient admission.||No|
|W||Clinically undetermined. Provider unable to clinically determine whether the condition was present at the time of inpatient admission.||Yes|
|1||Exempt from POA reporting||No|
The ICD code Q184 is used to code Macrostomia
Macrostomia, (from the Greek prefix makro- meaning "large" and from Greek στόμα, "mouth") refers to a mouth that is unusually wide.
|ICD 9 Code:||744.83|
- DRG Group #157-159 - Dental and oral diseases with MCC.
- DRG Group #157-159 - Dental and oral diseases with CC.
- DRG Group #157-159 - Dental and oral diseases without CC or MCC.
ICD-10-CM Alphabetical Index References for 'Q18.4 - Macrostomia'
The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code Q18.4. Click on any term below to browse the alphabetical index.
Equivalent ICD-9 Code GENERAL EQUIVALENCE MAPPINGS (GEM)
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 744.83 was previously used, Q18.4 is the appropriate modern ICD10 code.