2022 ICD-10-CM Code G44.89
Other headache syndrome

Version 2022
Replaced Code
ICD-10:G44.89
Short Description:Other headache syndrome
Long Description:Other headache syndrome
Status: Valid for Submission

Code Classification

  • Diseases of the nervous system (G00–G99)
    • Episodic and paroxysmal disorders (G40-G47)
      • Other headache syndromes (G44)

G44.89 is a billable diagnosis code used to specify a medical diagnosis of other headache syndrome. The code G44.89 is valid during the fiscal year 2022 from October 01, 2021 through September 30, 2022 for the submission of HIPAA-covered transactions.

The ICD-10-CM code G44.89 might also be used to specify conditions or terms like allergic headache, allergic migraine, anterior ethmoidal nerve syndrome, chronic headache disorder, chronic primary headache , menopausal headache, etc.

The code G44.89 is linked to some Quality Measures as part of Medicare's Quality Payment Program (QPP). When this code is used as part of a patient's medical record the following Quality Measures might apply: Overuse Of Imaging For The Evaluation Of Primary Headache , Quality Of Life Assessment For Patients With Primary Headache Disorders.

Replaced Code

This code was replaced in the 2022 ICD-10 code set with the code(s) listed below. The National Center for Health Statistics (NCHS) has published an update to the ICD-10-CM diagnosis codes which became effective October 1, 2021. This code was replaced for the FY 2022 (October 1, 2021 - September 30, 2022).


  • G44.86 - Cervicogenic headache

Entries in the Index to Diseases and Injuries with references to G44.89

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 G44.89 are found in the index:

Approximate Synonyms

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

Clinical Information

Convert G44.89 to ICD-9 Code

Quality Payment Program Measures

When code G44.89 is part of the patient's diagnoses the following Quality Measures apply and affect reimbursement. The objective of Medicare's Quality Measures is to improve patient care by making it more: effective, safe, efficient, patient-centered and equitable.

Quality Measure Description Quality Domain Measure Type High Priority Submission Methods
Overuse of Imaging for the Evaluation of Primary HeadachePercentage of patients for whom imaging of the head (CT or MRI) is obtained for the evaluation of primary headache when clinical indications are not present.Efficiency and Cost ReductionProcessYESClaims, Registry
Quality of Life Assessment For Patients With Primary Headache DisordersPercentage of patients with a diagnosis of primary headache disorder whose health related quality of life (HRQoL) was assessed with a tool(s) during at least two visits during the 12 month measurement period AND whose health related quality of life score stayed the same or improved.Effective Clinical CarePatientreportedoutcomeYESClaims, Registry

Information for Patients


Peripheral Nerve Disorders

Your peripheral nerves are the ones outside your brain and spinal cord. Like static on a telephone line, peripheral nerve disorders distort or interrupt the messages between the brain and the rest of the body.

There are more than 100 kinds of peripheral nerve disorders. They can affect one nerve or many nerves. Some are the result of other diseases, like diabetic nerve problems. Others, like Guillain-Barre syndrome, happen after a virus infection. Still others are from nerve compression, like carpal tunnel syndrome or thoracic outlet syndrome. In some cases, like complex regional pain syndrome and brachial plexus injuries, the problem begins after an injury. Some people are born with peripheral nerve disorders.

Symptoms often start gradually, and then get worse. They include

Treatment aims to treat any underlying problem, reduce pain and control symptoms.

NIH: National Institute of Neurological Disorders and Stroke


[Learn More in MedlinePlus]

Code History

  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016 (First year ICD-10-CM implemented into the HIPAA code set)