AutoICD API

M13.1

Non-billable

Monoarthritis, not elsewhere classified

Monoarthritis, not elsewhere classified

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

Status

Non-billable / Header

Block

M05-M14

Parent Code

M13

Child Codes

8

Coding Notes

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

  • arthropathic psoriasis (L40.5-)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • compartment syndrome (traumatic) (T79.A-)
  • 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)

Child Codes (8)

M13.10

Monoarthritis, not elsewhere classified, unspecified site

BillableM13.11

Monoarthritis, not elsewhere classified, shoulder

M13.12

Monoarthritis, not elsewhere classified, elbow

M13.13

Monoarthritis, not elsewhere classified, wrist

M13.14

Monoarthritis, not elsewhere classified, hand

M13.15

Monoarthritis, not elsewhere classified, hip

M13.16

Monoarthritis, not elsewhere classified, knee

M13.17

Monoarthritis, not elsewhere classified, ankle and foot

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is ICD-10 code M13.1?

ICD-10-CM code M13.1 represents "Monoarthritis, not elsewhere classified". It is a non-billable header code — use a more specific child code for billing purposes.

Is M13.1 a billable code?

No, M13.1 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 8 child codes under M13.1.

What chapter is M13.1 in?

M13.1 is in Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (codes M00-M99).

What codes cannot be used with M13.1?

M13.1 has Excludes1 notes indicating codes that cannot be used together with it, including: arthrosis (M15-M19); osteoarthritis (M15-M19).

What are the subcategories under M13.1?

M13.1 has 8 child codes, including: M13.10 (Monoarthritis, not elsewhere classified, unspecified site), M13.11 (Monoarthritis, not elsewhere classified, shoulder), M13.12 (Monoarthritis, not elsewhere classified, elbow), M13.13 (Monoarthritis, not elsewhere classified, wrist), and 4 more.

What are the UMLS CUIs for M13.1?

M13.1 is linked to 1 UMLS Concept Unique Identifier: C0494905. 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.