AutoICD API

E66.9

Billable

Obesity, unspecified

Obesity, unspecified

Status

Billable / Specific

Block

E65-E68

Parent Code

E66

ICD-11 Mapping

1 equivalent

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

  • Obesity NOS

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

Excludes 2

Conditions not included here, but the patient may have both

Code First

The underlying condition must be sequenced before this code

Use Additional Code

Additional codes that should follow this code

Related Codes(5)
E66.0

Obesity due to excess calories

E66.1

Drug-induced obesity

BillableE66.2

Morbid (severe) obesity with alveolar hypoventilation

BillableE66.3

Overweight

BillableE66.8

Other obesity

Related Conditions

Obesity
ICD-11 Equivalents(1)

ICD-11 Equivalents

View full mapping

Corresponding ICD-11 codes from the WHO crosswalk mapping

5B81.ZObesity, unspecifiedequivalentPrimary

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Also Known As / Clinical Terms(298)

SNOMED CT

UMLS

Clinical Terms

  • Peripheral neuropathy due to obesity
  • Tapetochoroidal dystrophy
  • Obese (finding)
  • Autosomal recessive intellectual disability due to TRAPPC9 (trafficking protein particle complex 9) deficiency
  • Deafness, encephaloneuropathy, obesity, valvulopathy syndrome
  • Diabetes mellitus type 2 in obese
  • Obesity by adipocyte growth pattern
  • PHIP-related behavioral problems, intellectual disability, obesity, dysmorphic features syndrome
  • Disorder of peripheral nerve due to obesity
  • Mixed conductive and sensorineural deafness
  • Hearing loss, encephaloneuropathy, obesity, valvulopathy syndrome
  • Chung Jansen syndrome
  • Benign intracranial hypertension due to obesity
  • Colobomatous microphthalmia, obesity, hypogenitalism, intellectual disability syndrome
  • Skin striae due to obesity
  • Maternal obesity during childbirth
  • Truncal obesity
  • Cognitive impairment, coarse facies, heart defects, obesity, pulmonary involvement, short stature, skeletal dysplasia syndrome
  • Lower body obesity
  • Mixed deafness
  • Myelopathy due to obesity
  • CHOPS syndrome
  • Generalized obesity
  • Body mass index 30+ - obesity
  • Microphthalmia with colobomatous cyst
  • BIH - Benign intracranial hypertension
  • Type 2 diabetes mellitus in obese
  • IIH - Idiopathic intracranial hypertension
  • Mixed conductive AND sensorineural hearing loss
  • Seen by dietician
  • Excess subcutaneous fat
  • Intellectual disability, obesity, prognathism, eye and skin anomalies syndrome
  • Central obesity
  • BMI 30+ - obesity
  • Understands reducing diet
  • MHL - Mixed hearing loss
  • Fetal disorder due to maternal obesity
  • X-linked intellectual disability, hypogonadism, ichthyosis, obesity, short stature syndrome
  • Obesity monitoring check done
  • Seen by dietitian
  • Treatment of obesity changed
  • Intellectual disability, obesity, brain malformation, facial dysmorphism syndrome
  • Primary hypomagnesemia, generalized seizures, intellectual disability, obesity syndrome
  • Obesity due to excess calories
  • Obesity of face and trunk, sparing limbs
  • Body mass index above normal parameters
  • Gynoid obesity
  • Obese class II
  • Choroideraemia
  • MYT1L-related developmental delay, intellectual disability, obesity syndrome
  • obese
  • Idiopathic intracranial hypertension
  • adiposity
  • Blood magnesium abnormal
  • Obesity in adolescence
  • Impaired glucose tolerance in obese
  • Young Hughes syndrome
  • Lymphoedema associated with obesity
  • Gluteal-femoral obesity
  • Obesity monitoring deleted
  • Treatment of obesity started
  • Obesity associated disorder
  • MYT1L-related Prader-Willi-like syndrome
  • Nonne's syndrome
  • Simple obesity
  • Pleckstrin homology domain interacting protein-related behavioral problems, intellectual disability, obesity, dysmorphic features syndrome
  • Having too much body fat
  • Fetal disorder due to maternal obesity with adult body mass index 30 or greater but less than 40
  • MOMO (macrocephaly, obesity, mental disability, ocular abnormality) syndrome
  • Adolescent obesity
  • Generalised obesity
  • MOMO syndrome
  • Reason for obesity therapy - occupational
  • Primary hypomagnesaemia, generalised seizures, intellectual disability, obesity syndrome
  • Xq21 microdeletion syndrome
  • Choroideraemia with deafness and obesity syndrome
  • Fetal disorder due to obesity of mother
  • Pseudotumour cerebri
  • Noninfective serous meningitis
  • SINO syndrome
  • Has seen dietitian - obesity
  • Obesity NOS
  • Obesity by contributing factors
  • Pseudoneoplasm cerebri due to obesity
  • PHIP-related behavioural problems, intellectual disability, obesity, dysmorphic features syndrome
  • Foetal disorder due to maternal obesity with adult body mass index equal to or greater than 40
  • Obese build
  • Disorder of nervous system due to obesity
  • Adiposis
  • Disorder of nerve due to obesity
  • Body mass index 30.00 to 34.99
  • Colobomatous microphthalmia
  • Blood magnesium below reference range
  • Lifelong obesity
  • Increased body mass index
  • Centripetal obesity
  • Obesity in mother complicating childbirth
  • Obesity monitoring default
  • Pseudotumor cerebri
  • Fetal disorder due to maternal obesity with adult body mass index equal to or greater than 40
  • Lymphedema associated with obesity
  • Obesity due to leptin receptor gene deficiency
  • Genetic syndromic childhood obesity
  • MOMES syndrome
  • Foetal disorder due to obesity of mother
  • Neuropathy due to obesity
  • Congenital mixed conductive and sensorineural hearing loss
  • Myelin transcription factor 1 like-related developmental delay, intellectual disability, obesity syndrome
  • Striae atrophicae
  • Obese class I
  • Pleckstrin homology domain interacting protein-related behavioural problems, intellectual disability, obesity, dysmorphic features syndrome
  • Hereditary choroidal atrophy
  • Body mass index 35.00 to 39.99
  • Foetal disorder due to maternal obesity
  • Otitic hydrocephalus syndrome
  • Exogenous obesity
  • Has seen dietician - obesity
  • Choroideremia with deafness and obesity syndrome
  • Pear-shaped obesity
  • Macrocephaly, obesity, mental disability, ocular abnormality syndrome
  • Severe obesity
  • Mixed hearing loss
  • Disorder of spinal cord due to obesity
  • Android fat distribution
  • Fat body with thin limbs
  • X-linked sensorineural hearing loss
  • Difficulty maintaining weight loss
  • Foetal disorder due to maternal obesity with adult body mass index 30 or greater but less than 40
  • Obesity (disorder)
  • Microphthalmos co-occurrent with congenital ocular coloboma
  • Skin striae
  • Neurological disorder due to obesity
  • Benign intracranial hypertension
  • Choroideremia
  • Hereditary choroidal dystrophy
  • Sees or has seen dietician
  • Obesity monitoring status
  • Spastic paraplegia, intellectual disability, nystagmus, obesity syndrome
  • Ayazi syndrome
  • Fat build
  • Obesity by fat distribution pattern
  • Mixed type deafness
  • Alimentary obesity
  • Blood magnesium outside reference range
  • Intellectual disability, seizures, macrocephaly, obesity syndrome
Related ICF Categories(30)

The ICF Core Set for Obesity identifies functioning domains commonly assessed with this condition.

b130

Energy and drive functions

b134

Sleep functions

b152

Emotional functions

b280

Sensation of pain

b435

Immunological system functions

b440

Respiration functions

b455

Exercise tolerance functions

b530

Weight maintenance functions

b540

General metabolic functions

b640

Sexual functions

d230

Carrying out daily routine

d450

Walking

d455

Moving around

d475

Driving

d570

Looking after one's health

d640

Doing housework

d845

Acquiring, keeping and terminating a job

d850

Remunerative employment

d910

Community life

d920

Recreation and leisure

e110

Products or substances for personal consumption

e310

Immediate family

e355

Health professionals

e410

Individual attitudes of immediate family members

e450

Individual attitudes of health professionals

e460

Societal attitudes

e535

Communication services, systems and policies

e540

Transportation services, systems and policies

e570

Social security services, systems and policies

e580

Health services, systems and policies

Frequently Asked Questions
What is the ICD-10 code for obesity, unspecified?

The ICD-10-CM code for obesity, unspecified is E66.9. The full clinical description is "Obesity, unspecified". E66.9 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code E66.9 mean?

ICD-10-CM code E66.9 represents “Obesity, unspecified”. It is classified under Chapter 4: Endocrine, Nutritional and Metabolic Diseases and is a billable/specific code that can be used on a claim.

Is E66.9 a billable code?

Yes, E66.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is E66.9 in?

E66.9 is in Chapter 4: Endocrine, Nutritional and Metabolic Diseases (codes E00-E89).

What codes cannot be used with E66.9?

E66.9 has Excludes1 notes indicating codes that cannot be used together with it, including: transitory endocrine and metabolic disorders specific to newborn (P70-P74).

Are additional codes required with E66.9?

Yes, when using E66.9, also report: body mass index (BMI), if known, for adults (Z68.1-Z68.45) or pediatrics (Z68.5-).

What SNOMED CT codes does E66.9 map to?

E66.9 maps to 69 SNOMED CT concepts: 414916001, 788996008, 415530009, 248311001, 763350002, and 64 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for E66.9?

E66.9 is linked to 1 UMLS Concept Unique Identifier: C0028754. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

What ICF functioning codes are related to obesity, unspecified?

The ICF Core Set for Obesity includes 30 functioning categories covering body functions, activities, and environmental factors commonly assessed with this condition. Browse the ICF directory.

What is the ICD-11 equivalent of E66.9?

E66.9 maps to the ICD-11 code: 5B81.Z (Obesity, unspecified).

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.