ICD-10-CM Code A51.42

Valid for Submission

A51.42 is a billable code used to specify a medical diagnosis of secondary syphilitic female pelvic disease. The code is valid for the year 2020 for the submission of HIPAA-covered transactions. The ICD-10-CM code A51.42 might also be used to specify conditions or terms like female syphilitic pelvic inflammatory disease.

The code A51.42 is applicable to female patients only. It is clinically and virtually impossible to use this code on a non-female patient.

Index to Diseases and Injuries

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code A51.42 are found in the index:

• - Disease, diseased - See Also: Syndrome;
  • - female pelvic inflammatory - See Also: Disease, pelvis, inflammatory; - N73.9
    • - syphilitic (secondary) - A51.42
  • - pelvis, pelvic
    • - inflammatory (female) - N73.9
      • - syphilitic (secondary) - A51.42

Code Edits

The Medicare Code Editor (MCE) detects and reports errors in the coding of claims data. The following ICD-10 Code Edits are applicable to this code:

• Diagnoses for females only - Medicare Code Editor detects inconsistencies between a patient’s sex and any diagnosis on the patient’s record, this code applies to FEMALES only .

Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

• Female syphilitic pelvic inflammatory disease

Diagnostic Related Groups

The ICD-10 code A51.42 is grouped in the following groups for version MS-DRG V37.0 What are Diagnostic Related Groups?
The Diagnostic Related Groups (DRGs) are a patient classification scheme which provides a means of relating the type of patients a hospital treats. The DRGs divides all possible principal diagnoses into mutually exclusive principal diagnosis areas referred to as Major Diagnostic Categories (MDC). applicable from 10/01/2020 through 09/30/2020.

• 867 - OTHER INFECTIOUS AND PARASITIC DISEASES DIAGNOSES WITH MCC
• 868 - OTHER INFECTIOUS AND PARASITIC DISEASES DIAGNOSES WITH CC
• 869 - OTHER INFECTIOUS AND PARASITIC DISEASES DIAGNOSES WITHOUT CC/MCC

Convert A51.42 to ICD-9

• 091.89 - Secondary syphilis NEC (Approximate Flag)

Code Classification

• Certain infectious and parasitic diseases (A00–B99)
  • Infections with a predominantly sexual mode of transmission (A50-A64)
    • Early syphilis (A51)

Code History

• FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016
  (First year ICD-10-CM implemented into the HIPAA code set)
• FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
• FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
• FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
• FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020

Tools

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• Convert A51.42 to ICD-9