1. 2023 ICD-10-CM Index
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2. 'H' Terms
›
3. Index Terms Starting With 'H' (Headache)

Index Terms Starting With 'H' (Headache)

• Headache R51.9

  ICD-10-CM Diagnosis Code R51.9

  Headache, unspecified

  2021 - New Code 2022 2023 Billable/Specific Code

  Applicable To

  • Facial pain NOS

  • allergic NEC G44.89
    ICD-10-CM Diagnosis Code G44.89

    Other headache syndrome

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • associated with sexual activity G44.82
    ICD-10-CM Diagnosis Code G44.82

    Headache associated with sexual activity

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

    Applicable To

    • Orgasmic headache
    • Preorgasmic headache
  • cervicogenic G44.86
    ICD-10-CM Diagnosis Code G44.86

    Cervicogenic headache

    2022 - New Code 2023 Billable/Specific Code

    Code Also

    • associated cervical spinal condition, if known
  • chronic daily R51.9
    ICD-10-CM Diagnosis Code R51.9

    Headache, unspecified

    2021 - New Code 2022 2023 Billable/Specific Code

    Applicable To

    • Facial pain NOS
  • cluster G44.009
    ICD-10-CM Diagnosis Code G44.009

    Cluster headache syndrome, unspecified, not intractable

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

    Applicable To

    • Cluster headache syndrome NOS
    • chronic G44.029
      ICD-10-CM Diagnosis Code G44.029

      Chronic cluster headache, not intractable

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

      Applicable To

      • Chronic cluster headache NOS
      • intractable G44.021
        ICD-10-CM Diagnosis Code G44.021

        Chronic cluster headache, intractable

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
      • not intractable G44.029
        ICD-10-CM Diagnosis Code G44.029

        Chronic cluster headache, not intractable

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

        Applicable To

        • Chronic cluster headache NOS
    • episodic G44.019
      ICD-10-CM Diagnosis Code G44.019

      Episodic cluster headache, not intractable

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

      Applicable To

      • Episodic cluster headache NOS
      • intractable G44.011
        ICD-10-CM Diagnosis Code G44.011

        Episodic cluster headache, intractable

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
      • not intractable G44.019
        ICD-10-CM Diagnosis Code G44.019

        Episodic cluster headache, not intractable

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

        Applicable To

        • Episodic cluster headache NOS
    • intractable G44.001
      ICD-10-CM Diagnosis Code G44.001

      Cluster headache syndrome, unspecified, intractable

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    • not intractable G44.009
      ICD-10-CM Diagnosis Code G44.009

      Cluster headache syndrome, unspecified, not intractable

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

      Applicable To

      • Cluster headache syndrome NOS
  • cough G44.83
    (primary)
    ICD-10-CM Diagnosis Code G44.83

    Primary cough headache

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • daily chronic R51.9
    ICD-10-CM Diagnosis Code R51.9

    Headache, unspecified

    2021 - New Code 2022 2023 Billable/Specific Code

    Applicable To

    • Facial pain NOS
  • drug-induced NEC G44.40
    ICD-10-CM Diagnosis Code G44.40

    Drug-induced headache, not elsewhere classified, not intractable

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    • intractable G44.41
      ICD-10-CM Diagnosis Code G44.41

      Drug-induced headache, not elsewhere classified, intractable

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    • not intractable G44.40
      ICD-10-CM Diagnosis Code G44.40

      Drug-induced headache, not elsewhere classified, not intractable

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • exertional G44.84
    (primary)
    ICD-10-CM Diagnosis Code G44.84

    Primary exertional headache

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • histamine G44.009
    ICD-10-CM Diagnosis Code G44.009

    Cluster headache syndrome, unspecified, not intractable

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

    Applicable To

    • Cluster headache syndrome NOS
    • intractable G44.001
      ICD-10-CM Diagnosis Code G44.001

      Cluster headache syndrome, unspecified, intractable

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    • not intractable G44.009
      ICD-10-CM Diagnosis Code G44.009

      Cluster headache syndrome, unspecified, not intractable

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

      Applicable To

      • Cluster headache syndrome NOS
  • hypnic G44.81
    ICD-10-CM Diagnosis Code G44.81

    Hypnic headache

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • lumbar puncture G97.1
    ICD-10-CM Diagnosis Code G97.1

    Other reaction to spinal and lumbar puncture

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

    Applicable To

    • Headache due to lumbar puncture
    • Other reaction to spinal dural puncture

    Code Also

    • , if applicable, any associated headache with orthostatic component (R51.0)
  • medication overuse G44.40
    ICD-10-CM Diagnosis Code G44.40

    Drug-induced headache, not elsewhere classified, not intractable

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    • intractable G44.41
      ICD-10-CM Diagnosis Code G44.41

      Drug-induced headache, not elsewhere classified, intractable

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    • not intractable G44.40
      ICD-10-CM Diagnosis Code G44.40

      Drug-induced headache, not elsewhere classified, not intractable

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • menstrual - see Migraine, menstrual
  • migraine G43.909
    (type) - see also Migraine
    ICD-10-CM Diagnosis Code G43.909

    Migraine, unspecified, not intractable, without status migrainosus

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

    Applicable To

    • Migraine NOS
  • nasal septum R51.9
    ICD-10-CM Diagnosis Code R51.9

    Headache, unspecified

    2021 - New Code 2022 2023 Billable/Specific Code

    Applicable To

    • Facial pain NOS
  • neuralgiform, short lasting unilateral, with conjunctival injection and tearing (SUNCT) G44.059
    ICD-10-CM Diagnosis Code G44.059

    Short lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT), not intractable

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

    Applicable To

    • Short lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT) NOS
    • intractable G44.051
      ICD-10-CM Diagnosis Code G44.051

      Short lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT), intractable

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    • not intractable G44.059
      ICD-10-CM Diagnosis Code G44.059

      Short lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT), not intractable

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

      Applicable To

      • Short lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT) NOS
  • new daily persistent G44.52
    (NDPH)
    ICD-10-CM Diagnosis Code G44.52

    New daily persistent headache (NDPH)

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • orgasmic G44.82
    ICD-10-CM Diagnosis Code G44.82

    Headache associated with sexual activity

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

    Applicable To

    • Orgasmic headache
    • Preorgasmic headache
  • periodic syndromes in adults and children G43.C0
    ICD-10-CM Diagnosis Code G43.C0

    Periodic headache syndromes in child or adult, not intractable

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

    Applicable To

    • Periodic headache syndromes in child or adult, without refractory migraine
    • intractable G43.C1
      ICD-10-CM Diagnosis Code G43.C1

      Periodic headache syndromes in child or adult, intractable

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

      Applicable To

      • Periodic headache syndromes in child or adult, with refractory migraine
    • not intractable G43.C0
      ICD-10-CM Diagnosis Code G43.C0

      Periodic headache syndromes in child or adult, not intractable

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

      Applicable To

      • Periodic headache syndromes in child or adult, without refractory migraine
    • with refractory migraine G43.C1
      ICD-10-CM Diagnosis Code G43.C1

      Periodic headache syndromes in child or adult, intractable

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

      Applicable To

      • Periodic headache syndromes in child or adult, with refractory migraine
    • without refractory migraine G43.C0
      ICD-10-CM Diagnosis Code G43.C0

      Periodic headache syndromes in child or adult, not intractable

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

      Applicable To

      • Periodic headache syndromes in child or adult, without refractory migraine
  • post-traumatic G44.309
    ICD-10-CM Diagnosis Code G44.309

    Post-traumatic headache, unspecified, not intractable

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

    Applicable To

    • Post-traumatic headache NOS
    • acute G44.319
      ICD-10-CM Diagnosis Code G44.319

      Acute post-traumatic headache, not intractable

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

      Applicable To

      • Acute post-traumatic headache NOS
      • intractable G44.311
        ICD-10-CM Diagnosis Code G44.311

        Acute post-traumatic headache, intractable

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
      • not intractable G44.319
        ICD-10-CM Diagnosis Code G44.319

        Acute post-traumatic headache, not intractable

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

        Applicable To

        • Acute post-traumatic headache NOS
    • chronic G44.329
      ICD-10-CM Diagnosis Code G44.329

      Chronic post-traumatic headache, not intractable

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

      Applicable To

      • Chronic post-traumatic headache NOS
      • intractable G44.321
        ICD-10-CM Diagnosis Code G44.321

        Chronic post-traumatic headache, intractable

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
      • not intractable G44.329
        ICD-10-CM Diagnosis Code G44.329

        Chronic post-traumatic headache, not intractable

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

        Applicable To

        • Chronic post-traumatic headache NOS
    • intractable G44.301
      ICD-10-CM Diagnosis Code G44.301

      Post-traumatic headache, unspecified, intractable

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    • not intractable G44.309
      ICD-10-CM Diagnosis Code G44.309

      Post-traumatic headache, unspecified, not intractable

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

      Applicable To

      • Post-traumatic headache NOS
  • postspinal puncture G97.1
    ICD-10-CM Diagnosis Code G97.1

    Other reaction to spinal and lumbar puncture

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

    Applicable To

    • Headache due to lumbar puncture
    • Other reaction to spinal dural puncture

    Code Also

    • , if applicable, any associated headache with orthostatic component (R51.0)
  • pre-menstrual - see Migraine, menstrual
  • preorgasmic G44.82
    ICD-10-CM Diagnosis Code G44.82

    Headache associated with sexual activity

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

    Applicable To

    • Orgasmic headache
    • Preorgasmic headache
  • primary
    • cough G44.83
      ICD-10-CM Diagnosis Code G44.83

      Primary cough headache

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    • exertional G44.84
      ICD-10-CM Diagnosis Code G44.84

      Primary exertional headache

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    • stabbing G44.85
      ICD-10-CM Diagnosis Code G44.85

      Primary stabbing headache

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    • thunderclap G44.53
      ICD-10-CM Diagnosis Code G44.53

      Primary thunderclap headache

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • rebound G44.40
    ICD-10-CM Diagnosis Code G44.40

    Drug-induced headache, not elsewhere classified, not intractable

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    • intractable G44.41
      ICD-10-CM Diagnosis Code G44.41

      Drug-induced headache, not elsewhere classified, intractable

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    • not intractable G44.40
      ICD-10-CM Diagnosis Code G44.40

      Drug-induced headache, not elsewhere classified, not intractable

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • short lasting unilateral neuralgiform, with conjunctival injection and tearing (SUNCT) G44.059
    ICD-10-CM Diagnosis Code G44.059

    Short lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT), not intractable

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

    Applicable To

    • Short lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT) NOS
    • intractable G44.051
      ICD-10-CM Diagnosis Code G44.051

      Short lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT), intractable

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    • not intractable G44.059
      ICD-10-CM Diagnosis Code G44.059

      Short lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT), not intractable

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

      Applicable To

      • Short lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT) NOS
  • specified syndrome NEC G44.89
    ICD-10-CM Diagnosis Code G44.89

    Other headache syndrome

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • spinal and epidural anesthesia - induced T88.59
    ICD-10-CM Diagnosis Code T88.59

    Other complications of anesthesia

    2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    • in labor and delivery O74.5
      ICD-10-CM Diagnosis Code O74.5

      Spinal and epidural anesthesia-induced headache during labor and delivery

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code Maternity Dx (12-55 years) Female Dx
    • in pregnancy O29.4-
      ICD-10-CM Diagnosis Code O29.4-

      Spinal and epidural anesthesia induced headache during pregnancy

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    • postpartum, puerperal O89.4
      ICD-10-CM Diagnosis Code O89.4

      Spinal and epidural anesthesia-induced headache during the puerperium

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code Maternity Dx (12-55 years) Female Dx
  • spinal fluid loss G97.1
    (from puncture)
    ICD-10-CM Diagnosis Code G97.1

    Other reaction to spinal and lumbar puncture

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

    Applicable To

    • Headache due to lumbar puncture
    • Other reaction to spinal dural puncture

    Code Also

    • , if applicable, any associated headache with orthostatic component (R51.0)
  • stabbing G44.85
    (primary)
    ICD-10-CM Diagnosis Code G44.85

    Primary stabbing headache

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • tension (-type) G44.209
    ICD-10-CM Diagnosis Code G44.209

    Tension-type headache, unspecified, not intractable

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

    Applicable To

    • Tension headache NOS
    • chronic G44.229
      ICD-10-CM Diagnosis Code G44.229

      Chronic tension-type headache, not intractable

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

      Applicable To

      • Chronic tension-type headache NOS
      • intractable G44.221
        ICD-10-CM Diagnosis Code G44.221

        Chronic tension-type headache, intractable

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
      • not intractable G44.229
        ICD-10-CM Diagnosis Code G44.229

        Chronic tension-type headache, not intractable

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

        Applicable To

        • Chronic tension-type headache NOS
    • episodic G44.219
      ICD-10-CM Diagnosis Code G44.219

      Episodic tension-type headache, not intractable

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

      Applicable To

      • Episodic tension-type headache NOS
      • intractable G44.211
        ICD-10-CM Diagnosis Code G44.211

        Episodic tension-type headache, intractable

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
      • not intractable G44.219
        ICD-10-CM Diagnosis Code G44.219

        Episodic tension-type headache, not intractable

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

        Applicable To

        • Episodic tension-type headache NOS
    • intractable G44.201
      ICD-10-CM Diagnosis Code G44.201

      Tension-type headache, unspecified, intractable

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    • not intractable G44.209
      ICD-10-CM Diagnosis Code G44.209

      Tension-type headache, unspecified, not intractable

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

      Applicable To

      • Tension headache NOS
  • thunderclap G44.53
    (primary)
    ICD-10-CM Diagnosis Code G44.53

    Primary thunderclap headache

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • vascular NEC G44.1
    ICD-10-CM Diagnosis Code G44.1

    Vascular headache, not elsewhere classified

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

    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-)
  • with
    • orthostatic component NEC R51.0
      ICD-10-CM Diagnosis Code R51.0

      Headache with orthostatic component, not elsewhere classified

      2021 - New Code 2022 2023 Billable/Specific Code

      Applicable To

      • Headache with positional component, not elsewhere classified
    • positional component NEC R51.0
      ICD-10-CM Diagnosis Code R51.0

      Headache with orthostatic component, not elsewhere classified

      2021 - New Code 2022 2023 Billable/Specific Code

      Applicable To

      • Headache with positional component, not elsewhere classified