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Code
Description

ICD-10-CM Code Q85.9
Phakomatosis, unspecified

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

Q85.9 is a billable ICD code used to specify a diagnosis of phakomatosis, unspecified. 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 Q859 is used to code Hamartoma

A hamartoma is a benign, focal malformation that resembles a neoplasm in the tissue of its origin. This is not a malignant tumor, and it grows at the same rate as the surrounding tissues. It is composed of tissue elements normally found at that site, but which are growing in a disorganized mass. They occur in many different parts of the body and are most often asymptomatic and undetected unless seen on an image taken for another reason (incidentaloma).

Specialty: Medical Genetics
MeSH Codes: D006222, D006222
ICD 9 Codes: 757.32, 759.6

A large hamartoma of the spleen. The hamartoma is the dark circular object on the left that dominates the image. This is a cross-section, the growth being about 9 cm in diameter, while the entire spleen is about 11 cm in diameter .

Coding Notes for Q85.9 Info for medical coders on how to properly use this ICD-10 code

Inclusion Terms:
Inclusion Terms
Inclusion Terms are a list of concepts for which a specific code is used. The list of Inclusion Terms is useful for determining the correct code in some cases, but the list is not necessarily exhaustive.
Hamartosis NOS

MS-DRG Mapping

  • DRG Group #826-830 - Myeloprolif disord or poorly differentiated neoplasms with major operating room procedure with MCC.
  • DRG Group #826-830 - Myeloprolif disord or poorly differentiated neoplasms with major operating room procedure with CC.
  • DRG Group #826-830 - Myeloprolif disord or poorly differentiated neoplasms with major operating room procedure without CC or MCC.
  • DRG Group #826-830 - Myeloprolif disord or poorly differentiated neoplasms with other operating room procedure with CC or MCC.
  • DRG Group #826-830 - Myeloprolif disord or poorly differentiated neoplasms with other operating room procedure without CC or MCC.
  • DRG Group #843-845 - Other myeloprolif disorders or poorly differentiated neoplasms diagnoses with MCC.
  • DRG Group #843-845 - Other myeloprolif disorders or poorly differentiated neoplasms diagnoses with CC.
  • DRG Group #843-845 - Other myeloprolif disorders or poorly differentiated neoplasms diagnoses without CC or MCC.

ICD-10-CM Alphabetical Index References for 'Q85.9 - Phakomatosis, unspecified'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code Q85.9. Click on any term below to browse the alphabetical index.

Phakomatosis (Q85.9) (see: specific eponymous syndromes)
Hamartoma, hamartoblastoma (Q85.9)
Hamartosis (Q85.9)

Equivalent ICD-9 Code GENERAL EQUIVALENCE MAPPINGS (GEM)

Other hamartoses, not elsewhere classified (approximate match)

This is the official approximate match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that while there is no exact mapping between this ICD10 code Q85.9 and a single ICD9 code, 759.6 is an approximate match for comparison and conversion purposes.


Parent Code: Q85 - Phakomatoses, not elsewhere classified

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/Q859