ICD-10-CM Codes
M00-M99 Diseases of the musculoskeletal system and connective tissue
M70-M79 Other soft tissue disorders
M79- Other and unspecified soft tissue disorders, not elsewhere classified
2021 ICD-10-CM Diagnosis Code M79.81

2021 ICD-10-CM Diagnosis Code M79.81

Nontraumatic hematoma of soft tissue

2016

2017

2018

2019

2020

2021

Billable/Specific Code

M79.81 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2021 edition of ICD-10-CM M79.81 became effective on October 1, 2020.
This is the American ICD-10-CM version of M79.81 - other international versions of ICD-10 M79.81 may differ.

Applicable To

Nontraumatic hematoma of muscle
Nontraumatic seroma of muscle and soft tissue

The following code(s) above M79.81 contain annotation back-references

Annotation Back-References

In this context, annotation back-references refer to codes that contain:

Applicable To annotations, or
Code Also annotations, or
Code First annotations, or
Excludes1 annotations, or
Excludes2 annotations, or
Includes annotations, or
Note annotations, or
Use Additional annotations

that may be applicable to M79.81:

M00-M99
2021 ICD-10-CM Range M00-M99
Diseases of the musculoskeletal system and connective tissue
Note
- Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
Type 2 Excludes
- 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)
Diseases of the musculoskeletal system and connective tissue
M79
ICD-10-CM Diagnosis Code M79
Other and unspecified soft tissue disorders, not elsewhere classified
Type 1 Excludes
- psychogenic rheumatism (F45.8)
- soft tissue pain, psychogenic (F45.41)
Other and unspecified soft tissue disorders, not elsewhere classified

Approximate Synonyms

Hematoma of soft tissue, nontraumatic
Nontraumatic scrotal hematoma
Scrotal hematoma due to non-traumatic cause

ICD-10-CM M79.81 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):

555 Signs and symptoms of musculoskeletal system and connective tissue with mcc
556 Signs and symptoms of musculoskeletal system and connective tissue without mcc

Convert M79.81 to ICD-9-CM

Code History

2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
2017 (effective 10/1/2016): No change
2018 (effective 10/1/2017): No change
2019 (effective 10/1/2018): No change
2020 (effective 10/1/2019): No change
2021 (effective 10/1/2020): No change

Code annotations containing back-references to M79.81:

Type 2 Excludes: M62.8
, M62

ICD-10-CM Diagnosis Code M62.8
Other specified disorders of muscle
Type 2 Excludes
- nontraumatic hematoma of muscle (M79.81)
ICD-10-CM Diagnosis Code M62
Other disorders of muscle
Type 1 Excludes
- alcoholic myopathy (G72.1)
- cramp and spasm (R25.2)
- drug-induced myopathy (G72.0)
- myalgia (M79.1-)
- stiff-man syndrome (G25.82)
Type 2 Excludes
- nontraumatic hematoma of muscle (M79.81)

Diagnosis Index entries containing back-references to M79.81:

Hematoma (traumatic) (skin surface intact) - see also Contusion
- nontraumatic
  - muscle M79.81
  - soft tissue M79.81

ICD-10-CM Codes Adjacent To M79.81

M79.A11 Nontraumatic compartment syndrome of right upper extremity

M79.A12 Nontraumatic compartment syndrome of left upper extremity

M79.A19 Nontraumatic compartment syndrome of unspecified upper extremity

M79.A2 Nontraumatic compartment syndrome of lower extremity

M79.A21 Nontraumatic compartment syndrome of right lower extremity

M79.A22 Nontraumatic compartment syndrome of left lower extremity

M79.A29 Nontraumatic compartment syndrome of unspecified lower extremity

M79.A3 …… of abdomen

M79.A9 …… of other sites

M79.8 Other specified soft tissue disorders

M79.81 Nontraumatic hematoma of soft tissue

M79.89 Other specified soft tissue disorders

M79.9 Soft tissue disorder, unspecified

M80 Osteoporosis with current pathological fracture

M80.0 Age-related osteoporosis with current pathological fracture

M80.00 Age-related osteoporosis with current pathological fracture, unspecified site

M80.00XA …… initial encounter for fracture

M80.00XD …… subsequent encounter for fracture with routine healing

M80.00XG …… subsequent encounter for fracture with delayed healing

M80.00XK …… subsequent encounter for fracture with nonunion

M80.00XP …… subsequent encounter for fracture with malunion

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

2021 ICD-10-CM Diagnosis Code M79.81

Nontraumatic hematoma of soft tissue

Diseases of the musculoskeletal system and connective tissue

Other and unspecified soft tissue disorders, not elsewhere classified

Other specified disorders of muscle

Other disorders of muscle