Q85.9

Billable

Phakomatosis, unspecified

Phakomatosis, unspecified

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

  • Hamartosis NOS

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

  • ataxia telangiectasia [Louis-Bar] (G11.3)
  • familial dysautonomia [Riley-Day] (G90.1)

Excludes 2

Conditions not included here, but the patient may have both

  • inborn errors of metabolism (E70-E88)

Also Known As / Clinical Terms

SNOMED CT

Frequently Asked Questions

What is the ICD-10 code for phakomatosis, unspecified?

The ICD-10-CM code for phakomatosis, unspecified is Q85.9. The full clinical description is "Phakomatosis, unspecified". Q85.9 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code Q85.9 mean?

ICD-10-CM code Q85.9 represents "Phakomatosis, unspecified". It is classified under Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities and is a billable/specific code that can be used on a claim.

Is Q85.9 a billable code?

Yes, Q85.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is Q85.9 in?

Q85.9 is in Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (codes Q00-Q99).

What codes cannot be used with Q85.9?

Q85.9 has Excludes1 notes indicating codes that cannot be used together with it, including: ataxia telangiectasia [Louis-Bar] (G11.3); familial dysautonomia [Riley-Day] (G90.1).

What SNOMED CT codes does Q85.9 map to?

Q85.9 maps to 20 SNOMED CT concepts: 16064571000119103, 1197705006, 399960008, 16064531000119101, 16064611000119107, and 15 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for Q85.9?

Q85.9 is linked to 2 UMLS Concept Unique Identifiers: C0265315, C0265316. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.