ICD-10-CM Codes
G00-G99
G40-G47
G43-
2023 ICD-10-CM Diagnosis Code G43.A

2023 ICD-10-CM Diagnosis Code G43.A

Cyclical vomiting

2016

2017

2018

2019

2020

2021

2022

2023

Non-Billable/Non-Specific Code

G43.A should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
The 2023 edition of ICD-10-CM G43.A became effective on October 1, 2022.
This is the American ICD-10-CM version of G43.A - other international versions of ICD-10 G43.A may differ.

Type 1 Excludes

Type 1 Excludes Help

A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as G43.A. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.

cyclical vomiting syndrome unrelated to migraine (
ICD-10-CM Diagnosis Code R11.15
Cyclical vomiting syndrome unrelated to migraine
Applicable To
- Cyclic vomiting syndrome NOS
- Persistent vomiting
Type 1 Excludes
- cyclical vomiting in migraine (G43.A-)
Type 2 Excludes
- bulimia nervosa (F50.2)
- diabetes mellitus due to underlying condition (E08.-)
R11.15
)

The following code(s) above G43.A contain annotation back-references

Annotation Back-References

In this context, annotation back-references refer to codes that contain:

Applicable To annotations, or
Code Also annotations, or
Code First annotations, or
Excludes1 annotations, or
Excludes2 annotations, or
Includes annotations, or
Note annotations, or
Use Additional annotations

that may be applicable to G43.A:

G00-G99
2023 ICD-10-CM Range G00-G99
Diseases of the nervous system
Type 2 Excludes
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Diseases of the nervous system
G43
ICD-10-CM Diagnosis Code G43
Migraine
Note
- the following terms are to be considered equivalent to intractable: pharmacoresistant (pharmacologically resistant), treatment resistant, refractory (medically) and poorly controlled
Type 1 Excludes
- headache NOS (R51.9)
- lower half migraine (G44.00)
Type 2 Excludes
- headache syndromes (G44.-)
Use Additional
- code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Migraine

Code History

2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
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
2023 (effective 10/1/2022): No change

Code annotations containing back-references to G43.A:

Type 1 Excludes: R11
, R11.15

ICD-10-CM Diagnosis Code R11
Nausea and vomiting
Type 1 Excludes
- cyclical vomiting associated with migraine (G43.A-)
- excessive vomiting in pregnancy (O21.-)
- hematemesis (K92.0)
- neonatal hematemesis (P54.0)
- newborn vomiting (P92.0-)
- psychogenic vomiting (F50.89)
- vomiting associated with bulimia nervosa (F50.2)
- vomiting following gastrointestinal surgery (K91.0)
ICD-10-CM Diagnosis Code R11.15
Cyclical vomiting syndrome unrelated to migraine
Applicable To
- Cyclic vomiting syndrome NOS
- Persistent vomiting
Type 1 Excludes
- cyclical vomiting in migraine (G43.A-)
Type 2 Excludes
- bulimia nervosa (F50.2)
- diabetes mellitus due to underlying condition (E08.-)

ICD-10-CM Codes Adjacent To G43.A

G43.61 Persistent migraine aura with cerebral infarction, intractable

G43.611 …… with status migrainosus

G43.619 …… without status migrainosus

G43.7 Chronic migraine without aura

G43.70 Chronic migraine without aura, not intractable

G43.701 …… with status migrainosus

G43.709 …… without status migrainosus

G43.71 Chronic migraine without aura, intractable

G43.711 …… with status migrainosus

G43.719 …… without status migrainosus

G43.A Cyclical vomiting

G43.A0 …… in migraine, not intractable

G43.A1 …… in migraine, intractable

G43.B Ophthalmoplegic migraine

G43.B0 …… not intractable

G43.B1 …… intractable

G43.C Periodic headache syndromes in child or adult

G43.C0 …… not intractable

G43.C1 …… intractable

G43.D Abdominal migraine

G43.D0 …… not intractable

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

2023 ICD-10-CM Diagnosis Code G43.A

Cyclical vomiting

Cyclical vomiting syndrome unrelated to migraine

Diseases of the nervous system

Migraine

Nausea and vomiting

Cyclical vomiting syndrome unrelated to migraine