- G44.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2024 edition of ICD-10-CM G44.1 became effective on October 1, 2022.
- This is the American ICD-10-CM version of G44.1 – other international versions of ICD-10 G44.1 may differ.
ICD-10-CM G44.1 is grouped within Diagnostic Related Group(s):
Type 2 Excludes
- cluster headache (G44.0)
- complicated headache syndromes (G44.5-)
- drug-induced headache (G44.4-)
- migraine (G43.-)
- other specified headache syndromes (G44.8-)
- post-traumatic headache (G44.3-)
- tension-type headache (G44.2-)
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2016 (effective 10/1/2015): No change
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- 2024 (effective 10/1/2022): No change
Diagnosis Index entries containing back-references to G44.1:
- vascular NEC > Headache R51.9