AutoICD API

R91

Non-billable

Abnormal findings on diagnostic imaging of lung

Abnormal findings on diagnostic imaging of lung

This is a header/category code. For billing purposes, use a more specific child code from the list below.

Status

Non-billable / Header

Block

R90-R94

Child Codes

2

Coding Notes

Includes

Conditions included under this code

  • nonspecific abnormal findings on diagnostic imaging by computerized axial tomography [CAT scan]
  • nonspecific abnormal findings on diagnostic imaging by magnetic resonance imaging [MRI][NMR]
  • nonspecific abnormal findings on diagnostic imaging by positron emission tomography [PET scan]
  • nonspecific abnormal findings on diagnostic imaging by thermography
  • nonspecific abnormal findings on diagnostic imaging by ultrasound [echogram]
  • nonspecific abnormal findings on diagnostic imaging by X-ray examination

Excludes 1

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

  • abnormal findings on antenatal screening of mother (O28.-)
  • diagnostic abnormal findings classified elsewhere - see Alphabetical Index

Excludes 2

Conditions not included here, but the patient may have both

  • abnormal findings on antenatal screening of mother (O28.-)
  • certain conditions originating in the perinatal period (P04-P96)
  • signs and symptoms classified in the body system chapters
  • signs and symptoms of breast (N63, N64.5)

Child Codes (2)

R91.1

Solitary pulmonary nodule

BillableR91.8

Other nonspecific abnormal finding of lung field

Billable

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is ICD-10 code R91?

ICD-10-CM code R91 represents "Abnormal findings on diagnostic imaging of lung". It is a non-billable header code — use a more specific child code for billing purposes.

Is R91 a billable code?

No, R91 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 2 child codes under R91.

What chapter is R91 in?

R91 is in Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (codes R00-R99).

What codes cannot be used with R91?

R91 has Excludes1 notes indicating codes that cannot be used together with it, including: abnormal findings on antenatal screening of mother (O28.-); diagnostic abnormal findings classified elsewhere - see Alphabetical Index.

What are the subcategories under R91?

R91 has 2 child codes, including: R91.1 (Solitary pulmonary nodule), R91.8 (Other nonspecific abnormal finding of lung field).

What are the UMLS CUIs for R91?

R91 is linked to 1 UMLS Concept Unique Identifier: C0495786. 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.