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Icd 10 For Migraine Headache

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Q& a: Coding Headaches For Patients With Hypertension

ICD9 to ICD10 Transition Codes for Headache

Q: If a physician orders a consultation for a patient who is experiencing a headache due to hypertension, which ICD-10-CM codes would be assigned? Would hypertension be coded since headache is a common sign and symptom of hypertension, or would both the headache and hypertension be coded?

A: This will depend on the specifics in the physicians documentation. If the physician treats the headache directly, then you would want to report, along with the hypertension code, the specific type of headache, such as:

  • R51, daily chronic headache
  • G44.52, new daily persistent headache

If the physician treats only the hypertension, such as adjusting current hypertension drug dosage, expecting that the headache will go away once the hypertension is brought back under control, then you would not need to report it separately.

Editors note: Shelley C. Safian, PhD, RHIA, CCS-P, COC, CPC-I, AHIMA-approved ICD-10-CM/PCS trainer, of Safian Communications Services in Orlando, Florida, answered this question. She is a senior assistant professor who teaches medical billing and insurance coding at Herzing University Online in Milwaukee. Email her at .

Migraine With Brainstem Aura

Migraine with brainstem aura is a subtype of migraine with aura in which symptoms clearly originate from the brainstem, but no motor weakness. When motor symptoms are present, the subtype is coded as 1.2.3 Hemiplegic migraine. Originally the terms basilar artery migraine or basilar migraine were used but, since involvement of the basilar artery is unlikely, the term migraine with brainstem aura is preferred in ICHD-3 beta. There are typical aura symptoms in addition to the brainstem symptoms during most attacks. Many patients who have attacks with brainstem aura also report other attacks with typical aura and should be coded for both 1.2.1 Migraine with typical aura and 1.2.2 Migraine with brainstem aura. Many of the symptoms like dysarthria, vertigo, tinnitus, hypacusis, diplopia, ataxia and decreased level of consciousness may occur with anxiety and hyperventilation, and therefore are subject to misinterpretation. Serious episodes of migraine with brainstem aura can lead to stroke, coma, and death. Using triptans and other vasoconstrictors as abortive treatments for migraine with brainstem aura is contraindicated. Abortive treatments for migraine with brainstem aura address vasodilation and restoration of normal blood flow to the vertebrobasilar territory to restore normal brainstem function.

Entries In The Index To Diseases And Injuries With References To G43909

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code. The following references for the code G43.909 are found in the index:

  • migraine See Also: Migraine – G43.909
  • G43.909

Read Also: Headaches At Night And In The Morning

How Are Migraines Diagnosed

To make a diagnosis, your health care provider will

  • Take your medical history
  • Ask about your symptoms
  • Do a physical and neurological exam

An important part of diagnosing migraines is to rule out other medical conditions which could be causing the symptoms. So you may also have blood tests, an MRI or CT scan, or other tests.

Body Location Diagnosis Entry Screen

Migraine: Migraine Icd 10
  • The Body Location Diagnosis Entry screen is one way for you to add Diagnosis codes to your reports. The BLDE is accessible in three locations Daily Notes 3 & 4, “New Additional Bubble, CE3b Page 7, “Body Dx Selection” bubble, CE2 & RE2, Page 4, second lumbosacral “Other” bubble

  • The Body Location Diagnosis Entry screen can ONLY be customized from the New Additional bubble under Assessment, Diagnosis on the Daily Note 3 form.

  • The Body Locations Diagnosis Entry screen ONLY needs to be modified ONCE from that location. Updates will then appear in ALL available locations.

Again, the code changes have been added to your Document Plus software via automatic update and there is nothing more that you need to do.

In the case that you would like to add, remove, or reorganize codes in the BLDE screens, we have included the followingSTEP-BY-STEP TUTORIAL for your convenience.

If you need assistance, please contact Melanie at 888-588-6648

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More News & Resources

Coding Migraine in ICD-10-CM

Neurology billing, primary care billing, and emergency room billing are about to become a bit more complicated when patients present with a migraine. Coding Migraine in ICD-10-CM presents a number of challenges to medical coders and billers. The new methodology will require even greater specificity when it comes to assigning codes to healthcare claims, and will have to be supported by the available documentation. When a patient presents with a migraine that needs to be translated into ICD-10 diagnosis code, a total of six characters are needed to reach the greatest degree of specificity in order to create a clean healthcare claim. Migraines fall under the G40-G47 subset of ICD-10-CM codes, Episodic and paroxysmal disorders. By understanding the underlying logic of how ICD-10 is arranged, it is expected that less time will be spent cross-referencing the alphabetic and numeric indices.

Migraine is a neurological disease characterized by recurrent moderate to severe headaches often in association with a number of autonomic nervous system symptoms. Typically the headache affects one half of the head, associated symptoms may include nausea, vomiting, and sensitivity to light, sound, or smell.

Types of Migraine are as follows:

Under ICD-10 methodology, diseases of the nervous system are described by the codes contained between G00 and G99.

There are 44 codes dedicated to ICD-10, describing various types of migraines like:

What Are The Symptoms Of Migraines

There are four different phases of migraines. You may not always go through every phase each time you have a migraine.

  • Prodome. This phase starts up to 24 hours before you get the migraine. You have early signs and symptoms, such as food cravings, unexplained mood changes, uncontrollable yawning, fluid retention, and increased urination.
  • Aura. If you have this phase, you might see flashing or bright lights or zig-zag lines. You may have muscle weakness or feel like you are being touched or grabbed. An aura can happen just before or during a migraine.
  • Headache. A migraine usually starts gradually and then becomes more severe. It typically causes throbbing or pulsing pain, which is often on one side of your head. But sometimes you can have a migraine without a headache. Other migraine symptoms may include
  • Increased sensitivity to light, noise, and odors
  • Nausea and vomiting
  • Worsened pain when you move, cough, or sneeze
  • Postdrome . You may feel exhausted, weak, and confused after a migraine. This can last up to a day.
  • Migraines are more common in the morning people often wake up with them. Some people have migraines at predictable times, such as before menstruation or on weekends following a stressful week of work.

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    Organization Of Migraine Subtypes

    The ICHD-3 beta classification includes 6 main subtypes of migraine , most of which are further subdivided. Overall ICHD-3 beta distinguishes 29 migraine subtypes. The following table outlines the main subtypes and their ICHD-1, -2, -3 beta and ICD-10 codes.

    Episodic syndromes that may be associated with migraine

    New Codes For Headache

    ICD-10 Coding for Ocular Migraines

    The updated code most affecting chiropractic providers for the upcoming year is R51 Headache, which has been deleted and replaced.

    Code R51 was the diagnosis code used for headache, with the following approximate synonyms:

    • Cervicogenic headache

    There will be two new codes to replace R51:

    • R51.0 Headache with orthostatic component, not elsewhere classified

    • R51.9 Headache, unspecified

    **To avoid denial, claims need to be coded to the highest level of specificity.

    Orthostatic headache is a condition in which a person develops a headache while vertical, and the headache is relieved when horizontal. Previously, it was often misdiagnosed as different primary headache disorders such as migraine or tension headaches.Wikipedia

    Based on this clarification, the common headache code replacing R51 would be R51.9 headache, unspecified, which would include all the synonyms noted above.

    These codes have been modified in the Document Plus software for use on the Clinical Exam and Daily Note Forms.

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    Diseases Of The Nervous Systemtype 2 Excludes

  • certain conditions originating in the perinatal period
  • certain infectious and parasitic diseases
  • complications of pregnancy, childbirth and the puerperium
  • congenital malformations, deformations, and chromosomal abnormalities
  • endocrine, nutritional and metabolic diseases
  • injury, poisoning and certain other consequences of external causes
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
    • 2016201720182019202020212022Non-Billable/Non-Specific Code


  • the following terms are to be considered equivalent to intractable: pharmacoresistant , treatment resistant, refractory and poorly controlled
    • headache syndromes
    • code for adverse effect, if applicable, to identify drug
    • 2016201720182019202020212022Non-Billable/Non-Specific Code

    Applicable To

  • Migraine, unspecified, without refractory migraine
    • Migraine
  • Neural condition characterized by a severe recurrent vascular headache, usually on one side of the head, often accompanied by nausea, vomiting, and photophobia, sometimes preceded by sensory disturbances triggers include allergic reactions, excess carbohydrates or iodine in the diet, alcohol, bright lights or loud noises.
    • 102 Headaches with mcc
    • : New code
    • 2017
      • 2021 – New Code2022Billable/Specific Code

      Applicable To

    New Codes For Tmj Issues

    Used less frequently, but well within the scope of neuromusculoskeletal coding for chiropractors, there are some additions for temporomandibular joint issues. Chiropractors do treat TMJ conditions, which include codes for TMJ disorders M26.601 through M26.603 and sprain and strain of the jaw M26.621 through M26.629 and M26.31 to M26.639. The new additions specifically address arthritis and arthropathy for TMJ:

    M26.641 Arthritis of right temporomandibular joint

    M26.642 Arthritis of left temporomandibular joint

    M26.643 Arthritis of bilateral temporomandibular joint

    M26.649 Arthritis of unspecified temporomandibular joint

    M26.651 Arthropathy of right temporomandibular joint

    M26.652 Arthropathy of left temporomandibular joint

    M26.653 Arthropathy of bilateral temporomandibular joint

    M26.659 Arthropathy of unspecified temporomandibular joint

    These codes have been modified in the Document Plus software for use on the Clinical Exam and Daily Note Forms.

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    Migraineurs Exhibit Comorbidities Spanning Icd

    Electronic medical record data showed migraine is associated with a systematic increase in morbidity across the spectrum of the International Classification of Diseases, Tenth Revision , according to a recently published study in The Journal of Headache and Pain.

    Electronic medical record data showed migraine is associated with a systematic increase in morbidity across the entire spectrum of the International Classification of Diseases, Tenth Revision , according to a recently published study in The Journal of Headache and Pain.

    Researchers set out to determine overall morbidity and phenotypic diseasome for migraine by analyzing the EMRs of migraineurs who attended Terveystalo, a private healthcare provider in Finland. The retrospective register study included around 17,600 patients with diagnosed migraine between January 2012 and December 2017.

    According to the researchers, this study marked the first untargeted approach to investigate the whole ICD-10 coded diseaseome and phenotypic disease networks in migraine patients and is the first study to include a matched cohort population for comparison when constructing PDNs.

    Patients were matched with a 1-to-1, age- and gender-matched control population without migraine. The average age of the migraine cohort was 38.9 years, and females accounted for 78.9% of the group.


    Not Classified In The Ichd

    Headache Associated With Sexual Activity Icd 10

    Acephalgic migraine is a neurological syndrome. It is a variant of migraine in which the patient may experience aura symptoms such as scintillating scotoma, nausea, , hemiparesis and other migraine symptoms but does not experience headache. Acephalgic migraine is also referred to as amigrainous migraine, ocular migraine, ophthalmic migraine or optical migraine, the last three of which are misnomers.

    People with acephalgic migraine are more likely than the general population to develop classical migraine with headache.

    The prevention and treatment of acephalgic migraine is broadly the same as for classical migraine. However, because of the absence of “headache”, diagnosis of acephalic migraine is apt to be significantly delayed and the risk of misdiagnosis significantly increased.

    Visual snow might be a form of acephalgic migraine.

    If symptoms are primarily visual, it may be necessary to consult an optometrist or ophthalmologist to rule out potential eye disease before considering this diagnosis.

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    Code Changes For Other Joint

    Other new codes involve joint-related disorders for other specified joints. These include:

    M19.09 Primary osteoarthritis, other specified site

    M19.19 Post-traumatic osteoarthritis, other specified site

    M19.29 Secondary osteoarthritis, other specified site

    M24.19 Other articular cartilage disorders, other specified site

    M24.29 Disorder of ligament, other specified site

    M24.39 Pathological dislocation of other specified joint, not elsewhere classified

    M24.49 Recurrent dislocation, other specified joint

    M24.59 Contracture, other specified joint

    M24.69 Ankylosis, other specified joint

    M24.89 Other specific joint derangement of other specified joint, not elsewhere classified

    M25.39 Other instability, other specified joint

    M25.59 Pain in other specified joint

    M25.69 Stiffness of other specified joint, not elsewhere classified

    All codes have been modified in the Document Plus software via automatic update for use on the Clinical Exam and Daily Note Forms for users with a current support contract.

    How Are Migraines Treated

    There is no cure for migraines. Treatment focuses on relieving symptoms and preventing additional attacks.

    There are different types of medicines to relieve symptoms. They include triptan drugs, ergotamine drugs, and pain relievers. The sooner you take the medicine, the more effective it is.

    There are also other things you can do to feel better:

    • Resting with your eyes closed in a quiet, darkened room
    • Placing a cool cloth or ice pack on your forehead
    • Drinking fluids

    There are some lifestyle changes you can make to prevent migraines:

    • Stress management strategies, such as exercise, relaxation techniques, and biofeedback, may reduce the number and severity of migraines. Biofeedback uses electronic devices to teach you to control certain body functions, such as your heartbeat, blood pressure, and muscle tension.
    • Make a log of what seems to trigger your migraines. You can learn what you need to avoid, such as certain foods and medicines. It also help you figure out what you should do, such as establishing a consistent sleep schedule and eating regular meals.
    • Hormone therapy may help some women whose migraines seem to be linked to their menstrual cycle
    • If you have obesity, losing weight may also be helpful

    If you have frequent or severe migraines, you may need to take medicines to prevent further attacks. Talk with your health care provider about which drug would be right for you.

    NIH: National Institute of Neurological Disorders and Stroke

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    Headache Icd 10 Codes And Guideline:

    Most of the commonly used codes for headache comes under categories G43 and G44 which can be found in chapter 6 in ICD-10 CM manual.

    • Below are the new codes for headache to be used from October 1st 2020

    R51.0 Headache with orthostatic component, NEC

    R51.9 Unspecified headache

    For both the above codes, migraine is in excludes 2. So, as per the guideline we can code excludes 2 code also if documented in the medical record. But if we see G43 category codes, there is R51.9 in excludes 1. Hence migraine and R51.9 should not be coded together. You need to code only migraine as it is more specified.

    • As per ICD coding guidelines routine signs and symptoms of a definitive diagnosis should not be coded separately. Hence if headache is mentioned in the medical record and if it is a common symptom of the diagnosis which we are coding ,remember to avoid coding unspecified headache R51.9
    • Menstrual/Pre-menstrual headache should be coded as migraine, menstrual.

    Codes and descriptions are given in the below table:

    ICD-10 Code

    We will review few examples of headache:

    Headache ICD 10 Example 1:

    ICD 10 codes for this scenario would be:

    • G00.9 Bacterial meningitis
    • J44.9- COPD
    • I10 Hypertension

    Note : Here we do not need to code unspecified headache R51.9 as this is a symptom of meningitis.

    Headache ICD 10 Example 2:

    CT head was performed and diagnosed migraine with aura.

    ICD codes for this scenario would be:

    • G43.109 Migraine with aura
    Headache ICD 10 Example 3:
    • G43.829.

    Symptoms Signs And Abnormal Clinical And Laboratory Findings Not Elsewhere Classifiednote

    ICD-10-CM BootCamp: Signs, Symptoms, and Abnormal Findings
  • This chapter includes symptoms, signs, abnormal results of clinical or other investigative procedures, and ill-defined conditions regarding which no diagnosis classifiable elsewhere is recorded.
  • Signs and symptoms that point rather definitely to a given diagnosis have been assigned to a category in other chapters of the classification. In general, categories in this chapter include the less well-defined conditions and symptoms that, without the necessary study of the case to establish a final diagnosis, point perhaps equally to two or more diseases or to two or more systems of the body. Practically all categories in the chapter could be designated ‘not otherwise specified’, ‘unknown etiology’ or ‘transient’. The Alphabetical Index should be consulted to determine which symptoms and signs are to be allocated here and which to other chapters. The residual subcategories, numbered .8, are generally provided for other relevant symptoms that cannot be allocated elsewhere in the classification.
  • The conditions and signs or symptoms included in categories R00R94 consist of:
  • cases for which no more specific diagnosis can be made even after all the facts bearing on the case have been investigated
  • signs or symptoms existing at the time of initial encounter that proved to be transient and whose causes could not be determined
  • provisional diagnosis in a patient who failed to return for further investigation or care
    • Cervicogenic headache
    • Headache, cervicogenic
    • Headache, chronic daily

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    Billing And Coding: Icd

    Published by The Blog Team on February 14, 2021February 14, 2021

    This year sees one change that will impact acupuncture providers coding for headache. The code for headache has been deleted or replaced.

    Welcome to your billing and coding weekly solutions by American Acupuncture Council Network .

    Are there any 2021 updates to ICD-10 diagnosis codes impacting your acupuncture claims?

    The answer is Yes! In fact there will be over 72,000 codes in ICD-10CM which includes 490 additions, 58 deletions and 47 revisions.

    This year sees one change that will impact acupuncture providers coding for headache. The code for headache has been deleted or replaced. There will be two new codes to replace it:R51.0: Headache with orthostatic component, not elsewhere classified.R51.9: Headache, unspecified.

    Did you know 2021 updates to ICD-10 diagnosis codes that will affect your acupuncture claims were updated on October 1, 2020? You would have as an AAC info network client!

    This means any date of service or billing on or after October 1st must include the new and revised code or it will be denied.

    Remember, billing with incorrect acupuncture CPT and ICD codes can lead to claim rejections and delays in payments, which can have a devastating impact on generating revenue and keeping you in business.

    There is a reason acupuncturists have trusted AAC with their business for over 30 years.

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