QA1.71

Lynch syndrome

Billable / specificNew in FY2027POA exempt

QA1.71 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Applicable to

  • Hereditary nonpolyposis colorectal cancer susceptibility
  • Lynch syndrome due to EPCAM
  • Lynch syndrome due to MLH1
  • Lynch syndrome due to MSH2
  • Lynch syndrome due to MSH6
  • Lynch syndrome due to PMS2

Includes (from QA1)

  • Note: Codes from this chapter are not for use on maternal records

Excludes2

Not included here — may be reported together when both conditions exist.

  • inborn errors of metabolism (E70-E88) (from QA1)
  • multiple endocrine neoplasia [MEN] syndromes (E31.2-) (from QA1)

Code also

An additional code may be needed.

  • , if applicable, any associated conditions, such as: (from QA1)
  • genetic susceptibility to malignant neoplasm by site (Z15.0-) (from QA1)
  • malignant neoplasms (C00.0-C96.9) (from QA1)
  • personal history of malignant neoplasm (Z85.-) (from QA1)

Also known as

  • Hereditary nonpolyposis colorectal cancer susceptibility
  • Lynch syndrome due to EPCAM
  • Lynch syndrome due to MLH1
  • Lynch syndrome due to MSH2
  • Lynch syndrome due to MSH6
  • Lynch syndrome due to PMS2
  • Susceptibility to disease, genetic, hereditary nonpolyposis colorectal cancer
  • Syndrome, Lynch

Parent code

  • QA1.7Inherited neoplasm predisposition syndromes involving multiple systems, not elsewhere classifiedHeader

Related codes

  • QA1.79Other inherited neoplasm predisposition syndrome of multiple systemsHeader

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