ICD-10-CM Codes
A00-B99 Certain infectious and parasitic diseases
A15-A19 Tuberculosis
A18- Tuberculosis of other organs

2019 ICD-10-CM Diagnosis Code A18.03

Tuberculosis of other bones

2016

2017

2018

2019

Billable/Specific Code

A18.03 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2019 edition of ICD-10-CM A18.03 became effective on October 1, 2018.
This is the American ICD-10-CM version of A18.03 - other international versions of ICD-10 A18.03 may differ.

Applicable To

Tuberculous mastoiditis
Tuberculous osteomyelitis

The following code(s) above A18.03 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 A18.03:

A00-B99
2019 ICD-10-CM Range A00-B99
Certain infectious and parasitic diseases
Includes
- diseases generally recognized as communicable or transmissible
Type 1 Excludes
- certain localized infections - see body system-related chapters
Type 2 Excludes
- carrier or suspected carrier of infectious disease (Z22.-)
- infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
- infectious and parasitic diseases specific to the perinatal period (P35-P39)
- influenza and other acute respiratory infections (J00-J22)
Use Additional
- code to identify resistance to antimicrobial drugs (Z16.-)
Certain infectious and parasitic diseases
A15-A19
2019 ICD-10-CM Range A15-A19
Tuberculosis
Includes
- infections due to Mycobacterium tuberculosis and Mycobacterium bovis
Type 1 Excludes
- congenital tuberculosis (P37.0)
- nonspecific reaction to test for tuberculosis without active tuberculosis (R76.1-)
- pneumoconiosis associated with tuberculosis, any type in A15 (J65)
- positive PPD (R76.11)
- positive tuberculin skin test without active tuberculosis (R76.11)
- sequelae of tuberculosis (B90.-)
- silicotuberculosis (J65)
Tuberculosis

Approximate Synonyms

Tb (tuberculosis) of bone
Tuberculosis (tb) mastoid
Tuberculosis of bone
Tuberculosis of mastoid process

ICD-10-CM A18.03 is grouped within Diagnostic Related Group(s) (MS-DRG v36.0):

539 Osteomyelitis with mcc
540 Osteomyelitis with cc
541 Osteomyelitis without cc/mcc
974 Hiv with major related condition with mcc
975 Hiv with major related condition with cc
976 Hiv with major related condition without cc/mcc

Convert A18.03 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

Code annotations containing back-references to A18.03:

Type 1 Excludes: H70.1
, H75.0

ICD-10-CM Diagnosis Code H70.1
Chronic mastoiditis
Applicable To
- Caries of mastoid
- Fistula of mastoid
Type 1 Excludes
- tuberculous mastoiditis (A18.03)
ICD-10-CM Diagnosis Code H75.0
Mastoiditis in infectious and parasitic diseases classified elsewhere
Type 1 Excludes
- mastoiditis (in):
- syphilis (A52.77)
- tuberculosis (A18.03)
Type 2 Excludes: A18.6

ICD-10-CM Diagnosis Code A18.6
Tuberculosis of (inner) (middle) ear
Applicable To
- Tuberculous otitis media
Type 2 Excludes
- tuberculosis of external ear (A18.4)
- tuberculous mastoiditis (A18.03)

Diagnosis Index entries containing back-references to A18.03:

Caries
- mastoid process (chronic) - see Mastoiditis, chronic
  - tuberculous A18.03
- bone NEC A18.03
- limb NEC A18.03 (tuberculous)
- nose A18.03 (tuberculous)
- orbit A18.03 (tuberculous)
- tuberculous A18.03
Dactylitis
- tuberculous A18.03
Mastoiditis (coalescent) (hemorrhagic) (suppurative) H70.9-
ICD-10-CM Diagnosis Code H70.9-
Unspecified mastoiditis
- in (due to)
  - tuberculosis A18.03
- tuberculous A18.03
Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) A15.9
ICD-10-CM Diagnosis Code A15.9
Respiratory tuberculosis unspecified
- abscess (respiratory) A15.9
  ICD-10-CM Diagnosis Code A15.9
  Respiratory tuberculosis unspecified
  2016 2017 2018 2019 Billable/Specific Code
  - bone A18.03
    - specified site NEC A18.03
- bone A18.03
  - limb NEC A18.03
- ear (inner) (middle) A18.6
  ICD-10-CM Diagnosis Code A18.6
  Tuberculosis of (inner) (middle) ear
  2016 2017 2018 2019 Billable/Specific Code
  Applicable To
  Tuberculous otitis media
  Type 2 Excludes
  tuberculosis of external ear (A18.4)
  tuberculous mastoiditis (A18.03)
  - bone A18.03
- shoulder (joint) A18.02
  ICD-10-CM Diagnosis Code A18.02
  Tuberculous arthritis of other joints
  2016 2017 2018 2019 Billable/Specific Code
  Applicable To
  Tuberculosis of hip (joint)
  Tuberculosis of knee (joint)
  - blade A18.03
- sinus (any nasal) A15.8
  ICD-10-CM Diagnosis Code A15.8
  Other respiratory tuberculosis
  2016 2017 2018 2019 Billable/Specific Code
  Applicable To
  Mediastinal tuberculosis
  Nasopharyngeal tuberculosis
  Tuberculosis of nose
  Tuberculosis of sinus [any nasal]
  - bone A18.03
- dactylitis A18.03
- finger A18.03
- hand A18.03
- iliac spine A18.03 (superior)
- jaw A18.03
- mastoiditis A18.03
- pelvis A18.03 (bony)
- skeletal NEC A18.03

ICD-10-CM Codes Adjacent To A18.03

A17.8 Other tuberculosis of nervous system

A17.81 Tuberculoma of brain and spinal cord

A17.82 Tuberculous meningoencephalitis

A17.83 Tuberculous neuritis

A17.89 Other tuberculosis of nervous system

A17.9 Tuberculosis of nervous system, unspecified

A18 Tuberculosis of other organs

A18.0 Tuberculosis of bones and joints

A18.01 Tuberculosis of spine

A18.02 Tuberculous arthritis of other joints

A18.03 Tuberculosis of other bones

A18.09 Other musculoskeletal tuberculosis

A18.1 Tuberculosis of genitourinary system

A18.10 …… unspecified

A18.11 Tuberculosis of kidney and ureter

A18.12 Tuberculosis of bladder

A18.13 Tuberculosis of other urinary organs

A18.14 Tuberculosis of prostate

A18.15 Tuberculosis of other male genital organs

A18.16 Tuberculosis of cervix

A18.17 Tuberculous female pelvic inflammatory disease

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

2019 ICD-10-CM Diagnosis Code A18.03

Tuberculosis of other bones

Certain infectious and parasitic diseases

Tuberculosis

Chronic mastoiditis

Mastoiditis in infectious and parasitic diseases classified elsewhere

Tuberculosis of (inner) (middle) ear

Unspecified mastoiditis

Respiratory tuberculosis unspecified

Respiratory tuberculosis unspecified

Tuberculosis of (inner) (middle) ear

Tuberculous arthritis of other joints

Other respiratory tuberculosis