M21.33
Non-billableWrist drop (acquired)
Wrist drop (acquired)
This is a header/category code. For billing purposes, use a more specific child code from the list below.
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)
- joints of the spine (M40-M54)
- acquired deformities of fingers or toes (M20.-)
- coxa plana (M91.2)
Child Codes (3)
Also Known As / Clinical Terms
UMLS
- Acquired wrist dropC0231666
- CarpoptosisC0231666
- Drop handC0231666
- Drop-wristC0231666
- Wrist DropC0231666
- Wrist dropC0231666
- Wrist drop (acquired)C0231666
- Wrist drop - acquiredC0231666
- Wrist drop, unspecified wristC0231666
- Wrist-DropC0231666
- WristdropC0231666
- Wristdrop (finding)C0231666
- carpoptosisC0231666
- drop wristC0231666
- drop-wristC0231666
- dropped handC0231666
- dropped handsC0231666
- dropped wristC0231666
- dropping handC0231666
- wrist dropC0231666
- wristdropC0231666
Frequently Asked Questions
What is the ICD-10 code for wrist drop (acquired)?
The ICD-10-CM code for wrist drop (acquired) is M21.33. The full clinical description is "Wrist drop (acquired)". M21.33 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code M21.33 mean?
ICD-10-CM code M21.33 represents "Wrist drop (acquired)". It is classified under Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue and is a non-billable header code. Use a more specific child code for billing purposes.
Is M21.33 a billable code?
No, M21.33 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 3 child codes under M21.33.
What chapter is M21.33 in?
M21.33 is in Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (codes M00-M99).
What codes cannot be used with M21.33?
M21.33 has Excludes1 notes indicating codes that cannot be used together with it, including: acquired absence of limb (Z89.-); congenital absence of limbs (Q71-Q73); congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74).
What are the subcategories under M21.33?
M21.33 has 3 child codes, including: M21.331 (Wrist drop, right wrist), M21.332 (Wrist drop, left wrist), M21.339 (Wrist drop, unspecified wrist).
What are the UMLS CUIs for M21.33?
M21.33 is linked to 1 UMLS Concept Unique Identifier: C0231666. 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.