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Diagnosis Code

Q85.9 PHAKOMATOSIS, UNSPECIFIED


Code Information

Diagnosis Code: Q85.9

Short Description: Phakomatosis, unspecified

Long Description: Phakomatosis, unspecified

The code Q85.9 is VALID for claim submission

Code Classification:

  • Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
    • Other congenital malformations (Q80-Q89)
      • Phakomatoses, not elsewhere classified (Q85)
        • Q85.9 Phakomatosis, unspecified

Code Version: 2022 ICD-10-CM


Synonyms

  • Bilateral congenital hamartoma of irises
  • Congenital hamartoma
  • Congenital hamartoma of skin
  • Connective tissue nevus of skin
  • Hamartoma
  • Hamartoma of duodenal gland
  • Hamartoma of intestine
  • Hamartoma of small intestine
  • Hamartoma of tongue
  • Heart defect, tongue hamartoma, polysyndactyly syndrome
  • Linear basal cell nevus
  • Neoplasm and/or hamartoma
  • Neurocutaneous syndrome
  • Paving stone nevus
  • Port-wine stain in proteus syndrome
  • Port-wine stain of skin
  • Proteus syndrome

Diagnostic Related Group(s)

The code Q85.9 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)
  • Myeloproliferative Disorders Or Poorly Differentiated Neoplasms With Major O.r. Procedures With Mcc (826)
  • Myeloproliferative Disorders Or Poorly Differentiated Neoplasms With Major O.r. Procedures With Cc (827)
  • Myeloproliferative Disorders Or Poorly Differentiated Neoplasms With Major O.r. Procedures Without Cc/mcc (828)

References to Index of Diseases and Injuries

The code Q85.9 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Inclusion Terms:
    • Hamartosis NOS

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
Q85.9 Right Arrow 759.6 Hamartoses NEC

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
Q85 Phakomatoses, not elsewhere classified
Q85.0 Neurofibromatosis (nonmalignant)
Q85.00 Neurofibromatosis, unspecified
Q85.01 Neurofibromatosis, type 1
Q85.02 Neurofibromatosis, type 2
Q85.03 Schwannomatosis
Q85.09 Other neurofibromatosis
Q85.1 Tuberous sclerosis
Q85.8 Other phakomatoses, not elsewhere classified
Q85.81 PTEN hamartoma tumor syndrome
Q85.82 Other Cowden syndrome
Q85.83 Von Hippel-Lindau syndrome
Q85.89 Other phakomatoses, not elsewhere classified

This page was last updated on: 10/1/2023

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