AutoICD API

G90.81

Billable

Serotonin syndrome

Serotonin syndrome

Status

Billable / Specific

Block

G89-G99

Parent Code

G90.8

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

  • Serotonin toxicity

Excludes 1

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

  • dysfunction of the autonomic nervous system due to alcohol (G31.2)

Excludes 2

Conditions not included here, but the patient may have both

  • 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)

Code First

The underlying condition must be sequenced before this code

  • poisoning due to drug or toxin, such as:
  • linezolid (T36.8X- with sixth character 1-4)
  • monoamine oxidase inhibitors (T43.1X with sixth character 1-4)
  • selective serotonin and norepinephrine reuptake inhibitors [SSNRI] (T43.21 with sixth character 1-4)
  • selective serotonin reuptake inhibitors [SSRI] (T43.22 with sixth character 1-4)

Use Additional Code

Additional codes that should follow this code

  • code for adverse effect, if applicable, to identify drug, such as:
  • linezolid (T36.8X5)
  • monoamine oxidase inhibitors (T43.1X5)
  • selective serotonin and norepinephrine reuptake inhibitors [SSNRI] (T43.215)
  • selective serotonin reuptake inhibitors [SSRI] (T43.225)

Also Known As / Clinical Terms

SNOMED CT

UMLS

Frequently Asked Questions

What is the ICD-10 code for serotonin syndrome?

The ICD-10-CM code for serotonin syndrome is G90.81. The full clinical description is "Serotonin syndrome". G90.81 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code G90.81 mean?

ICD-10-CM code G90.81 represents "Serotonin syndrome". It is classified under Chapter 6: Diseases of the Nervous System and is a billable/specific code that can be used on a claim.

Is G90.81 a billable code?

Yes, G90.81 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is G90.81 in?

G90.81 is in Chapter 6: Diseases of the Nervous System (codes G00-G99).

What codes cannot be used with G90.81?

G90.81 has Excludes1 notes indicating codes that cannot be used together with it, including: dysfunction of the autonomic nervous system due to alcohol (G31.2).

Are additional codes required with G90.81?

Yes, when using G90.81 you should also code: code for adverse effect, if applicable, to identify drug, such as:; linezolid (T36.8X5); monoamine oxidase inhibitors (T43.1X5); selective serotonin and norepinephrine reuptake inhibitors [SSNRI] (T43.215); selective serotonin reuptake inhibitors [SSRI] (T43.225).

What SNOMED CT codes does G90.81 map to?

G90.81 maps to 1 SNOMED CT concept: 371089000. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for G90.81?

G90.81 is linked to 1 UMLS Concept Unique Identifier: C0699828. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

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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.